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BOSTON MARATHON 2026

Yamilex Montufar

Bib: 27107β€’F

MA

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
36:06
3.11 mi
Rank: #28602
Start β†’ 5K
36:06 | 11:38/mi
10K
1:08:12
6.21 mi
Rank: #27854 (+748)
5K β†’ 10K
32:06 | 10:20/mi
15K
1:40:34
9.32 mi
Rank: #27406 (+448)
10K β†’ 15K
32:22 | 10:26/mi
20K
2:13:42
12.43 mi
Rank: #27154 (+252)
15K β†’ 20K
33:08 | 10:40/mi
HALF
2:20:44
13.11 mi
Rank: #27112 (+42)
20K β†’ HALF
7:02 | 10:20/mi
25K
2:46:50
15.53 mi
Rank: #26923 (+189)
HALF β†’ 25K
26:06 | 10:46/mi
30K
3:23:55
18.64 mi
Rank: #26895 (+28)
25K β†’ 30K
37:05 | 11:57/mi
20M
3:42:24
20.00 mi
Rank: #27035 (-140)
30K β†’ 20M
18:29 | 13:37/mi
21M
3:54:11
21.00 mi
Rank: #26928 (+107)
20M β†’ 21M
11:47 | 11:47/mi
35K
4:02:40
21.75 mi
Rank: #26895 (+33)
21M β†’ 35K
8:29 | 11:21/mi
23M
4:18:52
23.00 mi
Rank: #26938 (-43)
35K β†’ 23M
16:12 | 12:57/mi
24M
4:29:42
24.00 mi
Rank: #26880 (+58)
23M β†’ 24M
10:50 | 10:50/mi
40K
4:38:41
24.85 mi
Rank: #26768 (+112)
24M β†’ 40K
8:59 | 10:31/mi
25.2M
4:42:38
25.20 mi
Rank: #26731 (+37)
40K β†’ 25.2M
3:57 | 11:28/mi
FINISH
4:52:36
26.22 mi
Rank: #26634 (+97)
25.2M β†’ FINISH
9:58 | 9:47/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:20:44
Pace10:45 /mi
2nd Half
Distance13.11 mi
Time2:31:52
Pace11:36 /mi
πŸ“ŠPositive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:3836:0611:3836:06
11:38
-
10K
6.21 mi12:30:441:08:1210:5932:06
10:20
-1:18
15K
9.32 mi13:03:061:40:3410:4832:22
10:26
+0:06
20K
12.43 mi13:36:142:13:4210:4633:08
10:40
+0:14
HALF
13.11 mi13:43:162:20:4410:457:02
10:20
-0:20
25K
15.53 mi14:09:222:46:5010:4526:06
10:46
+0:26
30K
18.64 mi14:46:273:23:5510:5737:05
11:57
+1:11
20M
20.00 mi15:04:563:42:2411:0818:29
13:37
+1:40
21M
21.00 mi15:16:433:54:1111:1011:47
11:47
-1:50
35K
21.75 mi15:25:124:02:4011:108:29
11:21
-0:26
23M
23.00 mi15:41:244:18:5211:1616:12
12:57
+1:36
24M
24.00 mi15:52:144:29:4211:1510:50
10:50
-2:07
40K
24.85 mi16:01:134:38:4111:138:59
10:31
-0:19
25.2M
25.20 mi16:05:104:42:3811:133:57
11:28
+0:57
FINISH
26.22 mi16:15:084:52:3611:119:58
9:47
-1:41

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:47 /mi

Average Pace

11:10 /mi

Slowest Pace

13:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

9:58

3% of race

Time at Steady Pace

2:30:33

51% of race

Time at Slower Pace

2:12:05

45% of race

Average Pace: 11:10 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:58:3836:0611:3836:06
11:38
#28602
10K
6.21 mi12:30:441:08:1210:5932:06
10:20
#27854
15K
9.32 mi13:03:061:40:3410:4832:22
10:26
#27406
20K
12.43 mi13:36:142:13:4210:4633:08
10:40
#27154
HALF
13.11 mi13:43:162:20:4410:457:02
10:20
#27112
25K
15.53 mi14:09:222:46:5010:4526:06
10:46
#26923
30K
18.64 mi14:46:273:23:5510:5737:05
11:57
#26895
20M
20.00 mi15:04:563:42:2411:0818:29
13:37
#27035
21M
21.00 mi15:16:433:54:1111:1011:47
11:47
#26928
35K
21.75 mi15:25:124:02:4011:108:29
11:21
#26895
23M
23.00 mi15:41:244:18:5211:1616:12
12:57
#26938
24M
24.00 mi15:52:144:29:4211:1510:50
10:50
#26880
40K
24.85 mi16:01:134:38:4111:138:59
10:31
#26768
25.2M
25.20 mi16:05:104:42:3811:133:57
11:28
#26731
FINISH
26.22 mi16:15:084:52:3611:119:58
9:47
#26634
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28602122921229226539(Top 91%)11042(Top 88%)11042(Top 193%)
10K6.21 mi3.10 mi27854+74811795+49711795+49726602(Top 92%)11075(Top 88%)11075(Top 194%)
15K9.32 mi3.11 mi27406+44811543+25211543+25226539(Top 91%)11042(Top 88%)11042(Top 193%)
20K12.43 mi3.11 mi27154+25211381+16211381+16226455(Top 91%)11006(Top 88%)11006(Top 193%)
HALF13.11 mi0.68 mi27112+4211361+2011361+2026349(Top 91%)10969(Top 87%)10969(Top 192%)
25K15.53 mi2.42 mi26923+18911267+9411267+9425951(Top 89%)10761(Top 86%)10761(Top 188%)
30K18.64 mi3.11 mi26895+2811278-1111278-1126702(Top 92%)11291(Top 90%)11291(Top 198%)
20M20.00 mi1.36 mi27035-14011373-9511373-9527870(Top 96%)11969(Top 95%)11969(Top 209%)
21M21.00 mi1.00 mi26928+10711314+5911314+5924722(Top 85%)10363(Top 82%)10363(Top 181%)
35K21.75 mi0.75 mi26895+3311301+1311301+1325826(Top 89%)10946(Top 87%)10946(Top 191%)
23M23.00 mi1.25 mi26938-4311331-3011331-3027265(Top 94%)11716(Top 93%)11716(Top 205%)
24M24.00 mi1.00 mi26880+5811308+2311308+2324796(Top 85%)10500(Top 83%)10500(Top 184%)
40K24.85 mi0.85 mi26768+11211260+4811260+4823249(Top 80%)9760(Top 78%)9760(Top 171%)
25.2M25.20 mi0.35 mi26731+3711244+1611244+1623445(Top 81%)9861(Top 78%)9861(Top 173%)
FINISH26.22 mi1.02 mi26634+9711194+5011194+5023261(Top 80%)9752(Top 78%)9752(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
Γ—21
+97ft-345ft

Overall

26539

Females

11042

F18-39

11042

5K→10K

3.1 - 6.2 mi

Top 92%
Γ—5
+79ft-138ft

Overall

26602

Females

11075

F18-39

11075

10K→15K

6.2 - 9.3 mi

Top 91%
Γ—3
+67ft-78ft

Overall

26539

Females

11042

F18-39

11042

15K→20K

9.3 - 12.4 mi

Top 91%
Γ—5
+106ft-86ft

Overall

26455

Females

11006

F18-39

11006

20K→HALF

12.4 - 13.1 mi

Top 91%
Γ—2
+19ft-37ft

Overall

26349

Females

10969

F18-39

10969

HALF→25K

13.1 - 15.5 mi

Top 89%
Γ—4
+66ft-88ft

Overall

25951

Females

10761

F18-39

10761

25K→30K

15.5 - 18.6 mi

Top 92%
Γ—9
+181ft-148ft

Overall

26702

Females

11291

F18-39

11291

30K→20M

18.6 - 20.0 mi

Top 96%
Γ—5
+64ft-50ft

Overall

27870

Females

11969

F18-39

11969

20M→21M

20.0 - 21.0 mi

Top 85%
Γ—8
+106ft-24ft

Overall

24722

Females

10363

F18-39

10363

21M→35K

21.0 - 21.8 mi

Top 89%
Γ—7
+17ft-86ft

Overall

25826

Females

10946

F18-39

10946

35K→23M

21.8 - 23.0 mi

Top 94%
Γ—5
+23ft-63ft

Overall

27265

Females

11716

F18-39

11716

23M→24M

23.0 - 24.0 mi

Top 85%
Γ—6
+12ft-82ft

Overall

24796

Females

10500

F18-39

10500

24M→40K

24.0 - 24.9 mi

Top 80%
Γ—1
+6ft-20ft

Overall

23249

Females

9760

F18-39

9760

40K→25.2M

24.9 - 25.2 mi

Top 81%
Γ—1
+13ft-16ft

Overall

23445

Females

9861

F18-39

9861

25.2M→FINISH

25.2 - 26.2 mi

Top 80%
Γ—2
+22ft-21ft

Overall

23261

Females

9752

F18-39

9752

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2349*
Passed By
381
Net Change
+1968
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#28602
5K β†’ 10K752*4+748#28602#27854
10K β†’ 15K455*7+448#27854#27406
15K β†’ 20K264*12+252#27406#27154
20K β†’ HALF464+42#27154#27112
HALF β†’ 25K19910+189#27112#26923
25K β†’ 30K12698+28#26923#26895
30K β†’ 20M8148-140#26895#27035
20M β†’ 21M1147+107#27035#26928
21M β†’ 35K407+33#26928#26895
35K β†’ 23M2871-43#26895#26938
23M β†’ 24M635+58#26938#26880
24M β†’ 40K1153+112#26880#26768
40K β†’ 25.2M392+37#26768#26731
25.2M β†’ FINISH1003+97#26731#26634
TOTALS2349*381+1968

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing