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BOSTON MARATHON 2026

Heidy Arellano

Bib: 29729β€’F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F45-49)
#0 / 1786
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
33:57
3.11 mi
Rank: #27920
Start β†’ 5K
33:57 | 10:56/mi
10K
1:07:41
6.21 mi
Rank: #27707 (+213)
5K β†’ 10K
33:44 | 10:52/mi
15K
1:40:30
9.32 mi
Rank: #27398 (+309)
10K β†’ 15K
32:49 | 10:34/mi
20K
2:13:12
12.43 mi
Rank: #27086 (+312)
15K β†’ 20K
32:42 | 10:32/mi
HALF
2:20:44
13.11 mi
Rank: #27111 (-25)
20K β†’ HALF
7:32 | 11:04/mi
25K
2:46:18
15.53 mi
Rank: #26857 (+254)
HALF β†’ 25K
25:34 | 10:33/mi
30K
3:20:53
18.64 mi
Rank: #26620 (+237)
25K β†’ 30K
34:35 | 11:08/mi
20M
3:35:53
20.00 mi
Rank: #26501 (+119)
30K β†’ 20M
15:00 | 11:03/mi
21M
3:48:15
21.00 mi
Rank: #26464 (+37)
20M β†’ 21M
12:22 | 12:22/mi
35K
3:55:20
21.75 mi
Rank: #26347 (+117)
21M β†’ 35K
7:05 | 9:29/mi
23M
4:07:50
23.00 mi
Rank: #26149 (+198)
35K β†’ 23M
12:30 | 10:00/mi
24M
4:17:39
24.00 mi
Rank: #26014 (+135)
23M β†’ 24M
9:49 | 9:49/mi
40K
4:26:18
24.85 mi
Rank: #25898 (+116)
24M β†’ 40K
8:39 | 10:08/mi
25.2M
4:29:59
25.20 mi
Rank: #25831 (+67)
40K β†’ 25.2M
3:41 | 10:41/mi
FINISH
4:40:10
26.22 mi
Rank: #25780 (+51)
25.2M β†’ FINISH
10:11 | 10:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Halfβš–οΈ Balanced
via HALF
Distance13.11 mi
Time2:20:44
Pace10:45 /mi
2nd Halfβš–οΈ Balanced
Distance13.11 mi
Time2:19:26
Pace10:39 /mi
πŸ“ŠEven Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:5233:5710:5633:57
10:56
-
10K
6.21 mi12:31:361:07:4110:5433:44
10:52
-0:04
15K
9.32 mi13:04:251:40:3010:4732:49
10:34
-0:18
20K
12.43 mi13:37:072:13:1210:4432:42
10:32
-0:02
HALF
13.11 mi13:44:392:20:4410:457:32
11:04
+0:32
25K
15.53 mi14:10:132:46:1810:4325:34
10:33
-0:31
30K
18.64 mi14:44:483:20:5310:4734:35
11:08
+0:35
20M
20.00 mi14:59:483:35:5310:4815:00
11:03
-0:05
21M
21.00 mi15:12:103:48:1510:5312:22
12:22
+1:19
35K
21.75 mi15:19:153:55:2010:507:05
9:29
-2:53
23M
23.00 mi15:31:454:07:5010:4712:30
10:00
+0:31
24M
24.00 mi15:41:344:17:3910:459:49
9:49
-0:11
40K
24.85 mi15:50:134:26:1810:438:39
10:08
+0:19
25.2M
25.20 mi15:53:544:29:5910:433:41
10:41
+0:33
FINISH
26.22 mi16:04:054:40:1010:4210:11
10:00
-0:41

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

9:29 /mi

Average Pace

10:42 /mi

Slowest Pace

12:22 /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

48:14

17% of race

Time at Steady Pace

2:08:30

46% of race

Time at Slower Pace

1:43:26

37% of race

Average Pace: 10:41 /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 mi11:57:5233:5710:5633:57
10:56
#27920
10K
6.21 mi12:31:361:07:4110:5433:44
10:52
#27707
15K
9.32 mi13:04:251:40:3010:4732:49
10:34
#27398
20K
12.43 mi13:37:072:13:1210:4432:42
10:32
#27086
HALF
13.11 mi13:44:392:20:4410:457:32
11:04
#27111
25K
15.53 mi14:10:132:46:1810:4325:34
10:33
#26857
30K
18.64 mi14:44:483:20:5310:4734:35
11:08
#26620
20M
20.00 mi14:59:483:35:5310:4815:00
11:03
#26501
21M
21.00 mi15:12:103:48:1510:5312:22
12:22
#26464
35K
21.75 mi15:19:153:55:2010:507:05
9:29
#26347
23M
23.00 mi15:31:454:07:5010:4712:30
10:00
#26149
24M
24.00 mi15:41:344:17:3910:459:49
9:49
#26014
40K
24.85 mi15:50:134:26:1810:438:39
10:08
#25898
25.2M
25.20 mi15:53:544:29:5910:433:41
10:41
#25831
FINISH
26.22 mi16:04:054:40:1010:4210:11
10:00
#25780
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi27920118301183026800(Top 92%)11184(Top 89%)11184(Top 626%)
10K6.21 mi3.10 mi27707+21311701+12911701+12927509(Top 95%)11605(Top 92%)11605(Top 650%)
15K9.32 mi3.11 mi27398+30911538+16311538+16326800(Top 92%)11184(Top 89%)11184(Top 626%)
20K12.43 mi3.11 mi27086+31211338+20011338+20026188(Top 90%)10852(Top 86%)10852(Top 608%)
HALF13.11 mi0.68 mi27111-2511360-2211360-2227438(Top 95%)11620(Top 92%)11620(Top 651%)
25K15.53 mi2.42 mi26857+25411231+12911231+12925530(Top 88%)10536(Top 84%)10536(Top 590%)
30K18.64 mi3.11 mi26620+23711113+11811113+11825561(Top 88%)10656(Top 85%)10656(Top 597%)
20M20.00 mi1.36 mi26501+11911065+4811065+4825016(Top 86%)10448(Top 83%)10448(Top 585%)
21M21.00 mi1.00 mi26464+3711056+911056+925603(Top 88%)10823(Top 86%)10823(Top 606%)
35K21.75 mi0.75 mi26347+11711001+5511001+5521702(Top 75%)8811(Top 70%)8811(Top 493%)
23M23.00 mi1.25 mi26149+19810899+10210899+10222114(Top 76%)9066(Top 72%)9066(Top 508%)
24M24.00 mi1.00 mi26014+13510840+5910840+5922318(Top 77%)9199(Top 73%)9199(Top 515%)
40K24.85 mi0.85 mi25898+11610786+5410786+5422283(Top 77%)9251(Top 74%)9251(Top 518%)
25.2M25.20 mi0.35 mi25831+6710758+2810758+2821657(Top 75%)8917(Top 71%)8917(Top 499%)
FINISH26.22 mi1.02 mi25780+5110747+1110747+1123842(Top 82%)10044(Top 80%)10044(Top 562%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
Γ—21
+97ft-345ft

Overall

26800

Females

11184

F45-49

11184

5K→10K

3.1 - 6.2 mi

Top 95%
Γ—5
+79ft-138ft

Overall

27509

Females

11605

F45-49

11605

10K→15K

6.2 - 9.3 mi

Top 92%
Γ—3
+67ft-78ft

Overall

26800

Females

11184

F45-49

11184

15K→20K

9.3 - 12.4 mi

Top 90%
Γ—5
+106ft-86ft

Overall

26188

Females

10852

F45-49

10852

20K→HALF

12.4 - 13.1 mi

Top 95%
Γ—2
+19ft-37ft

Overall

27438

Females

11620

F45-49

11620

HALF→25K

13.1 - 15.5 mi

Top 88%
Γ—4
+66ft-88ft

Overall

25530

Females

10536

F45-49

10536

25K→30K

15.5 - 18.6 mi

Top 88%
Γ—9
+181ft-148ft

Overall

25561

Females

10656

F45-49

10656

30K→20M

18.6 - 20.0 mi

Top 86%
Γ—5
+64ft-50ft

Overall

25016

Females

10448

F45-49

10448

20M→21M

20.0 - 21.0 mi

Top 88%
Γ—8
+106ft-24ft

Overall

25603

Females

10823

F45-49

10823

21M→35K

21.0 - 21.8 mi

Top 75%
Γ—7
+17ft-86ft

Overall

21702

Females

8811

F45-49

8811

35K→23M

21.8 - 23.0 mi

Top 76%
Γ—5
+23ft-63ft

Overall

22114

Females

9066

F45-49

9066

23M→24M

23.0 - 24.0 mi

Top 77%
Γ—6
+12ft-82ft

Overall

22318

Females

9199

F45-49

9199

24M→40K

24.0 - 24.9 mi

Top 77%
Γ—1
+6ft-20ft

Overall

22283

Females

9251

F45-49

9251

40K→25.2M

24.9 - 25.2 mi

Top 75%
Γ—1
+13ft-16ft

Overall

21657

Females

8917

F45-49

8917

25.2M→FINISH

25.2 - 26.2 mi

Top 82%
Γ—2
+22ft-21ft

Overall

23842

Females

10044

F45-49

10044

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2331
Passed By
191
Net Change
+2140
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#27920
5K β†’ 10K27562+213#27920#27707
10K β†’ 15K33223+309#27707#27398
15K β†’ 20K3186+312#27398#27086
20K β†’ HALF1641-25#27086#27111
HALF β†’ 25K2573+254#27111#26857
25K β†’ 30K24912+237#26857#26620
30K β†’ 20M1267+119#26620#26501
20M β†’ 21M6225+37#26501#26464
21M β†’ 35K1170+117#26464#26347
35K β†’ 23M1991+198#26347#26149
23M β†’ 24M1372+135#26149#26014
24M β†’ 40K1160+116#26014#25898
40K β†’ 25.2M670+67#25898#25831
25.2M β†’ FINISH609+51#25831#25780
TOTALS2331191+2140
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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing