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BOSTON MARATHON 2026

Kelsie Aufiero

Bib: 32922β€’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
32:18
3.11 mi
Rank: #26972
Start β†’ 5K
32:18 | 10:24/mi
10K
1:05:29
6.21 mi
Rank: #27109 (-137)
5K β†’ 10K
33:11 | 10:41/mi
15K
1:39:37
9.32 mi
Rank: #27246 (-137)
10K β†’ 15K
34:08 | 11:00/mi
20K
2:16:52
12.43 mi
Rank: #27541 (-295)
15K β†’ 20K
37:15 | 12:00/mi
HALF
2:26:13
13.11 mi
Rank: #27718 (-177)
20K β†’ HALF
9:21 | 13:44/mi
25K
2:57:36
15.53 mi
Rank: #27850 (-132)
HALF β†’ 25K
31:23 | 12:57/mi
30K
3:39:05
18.64 mi
Rank: #27908 (-58)
25K β†’ 30K
41:29 | 13:22/mi
20M
3:57:12
20.00 mi
Rank: #27895 (+13)
30K β†’ 20M
18:07 | 13:21/mi
21M
4:13:46
21.00 mi
Rank: #27974 (-79)
20M β†’ 21M
16:34 | 16:34/mi
35K
4:26:04
21.75 mi
Rank: #28054 (-80)
21M β†’ 35K
12:18 | 16:27/mi
23M
4:43:52
23.00 mi
Rank: #28091 (-37)
35K β†’ 23M
17:48 | 14:14/mi
24M
4:57:05
24.00 mi
Rank: #28092 (-1)
23M β†’ 24M
13:13 | 13:13/mi
40K
5:10:10
24.85 mi
Rank: #28140 (-48)
24M β†’ 40K
13:05 | 15:19/mi
25.2M
5:15:05
25.20 mi
Rank: #28131 (+9)
40K β†’ 25.2M
4:55 | 14:16/mi
FINISH
5:27:10
26.22 mi
Rank: #28109 (+22)
25.2M β†’ FINISH
12:05 | 11:52/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:26:13
Pace11:10 /mi
2nd Half
Distance13.11 mi
Time3:00:57
Pace13:49 /mi
πŸ“ŠPositive Split: 23.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:2832:1810:2432:18
10:24
-
10K
6.21 mi12:32:391:05:2910:3333:11
10:41
+0:17
15K
9.32 mi13:06:471:39:3710:4234:08
11:00
+0:19
20K
12.43 mi13:44:022:16:5211:0137:15
12:00
+1:00
HALF
13.11 mi13:53:232:26:1311:109:21
13:44
+1:44
25K
15.53 mi14:24:462:57:3611:2631:23
12:57
-0:47
30K
18.64 mi15:06:153:39:0511:4641:29
13:22
+0:25
20M
20.00 mi15:24:223:57:1211:5218:07
13:21
-0:01
21M
21.00 mi15:40:564:13:4612:0616:34
16:34
+3:13
35K
21.75 mi15:53:144:26:0412:1512:18
16:27
-0:07
23M
23.00 mi16:11:024:43:5212:2117:48
14:14
-2:13
24M
24.00 mi16:24:154:57:0512:2313:13
13:13
-1:01
40K
24.85 mi16:37:205:10:1012:2913:05
15:19
+2:06
25.2M
25.20 mi16:42:155:15:0512:314:55
14:16
-1:03
FINISH
26.22 mi16:54:205:27:1012:3012:05
11:52
-2:24

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

10:24 /mi

Average Pace

12:29 /mi

Slowest Pace

16:34 /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

2:28:57

46% of race

Time at Steady Pace

2:16:16

42% of race

Time at Slower Pace

41:57

13% of race

Average Pace: 12:29 /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 mi11:59:2832:1810:2432:18
10:24
#26972
10K
6.21 mi12:32:391:05:2910:3333:11
10:41
#27109
15K
9.32 mi13:06:471:39:3710:4234:08
11:00
#27246
20K
12.43 mi13:44:022:16:5211:0137:15
12:00
#27541
HALF
13.11 mi13:53:232:26:1311:109:21
13:44
#27718
25K
15.53 mi14:24:462:57:3611:2631:23
12:57
#27850
30K
18.64 mi15:06:153:39:0511:4641:29
13:22
#27908
20M
20.00 mi15:24:223:57:1211:5218:07
13:21
#27895
21M
21.00 mi15:40:564:13:4612:0616:34
16:34
#27974
35K
21.75 mi15:53:144:26:0412:1512:18
16:27
#28054
23M
23.00 mi16:11:024:43:5212:2117:48
14:14
#28091
24M
24.00 mi16:24:154:57:0512:2313:13
13:13
#28092
40K
24.85 mi16:37:205:10:1012:2913:05
15:19
#28140
25.2M
25.20 mi16:42:155:15:0512:314:55
14:16
#28131
FINISH
26.22 mi16:54:205:27:1012:3012:05
11:52
#28109
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 mi26972112641126427398(Top 94%)11549(Top 92%)11549(Top 202%)
10K6.21 mi3.10 mi27109-13711352-8811352-8827230(Top 94%)11432(Top 91%)11432(Top 200%)
15K9.32 mi3.11 mi27246-13711439-8711439-8727398(Top 94%)11549(Top 92%)11549(Top 202%)
20K12.43 mi3.11 mi27541-29511617-17811617-17828013(Top 97%)11927(Top 95%)11927(Top 209%)
HALF13.11 mi0.68 mi27718-17711733-11611733-11628873(Top 99%)12507(Top 99%)12507(Top 219%)
25K15.53 mi2.42 mi27850-13211816-8311816-8328198(Top 97%)12075(Top 96%)12075(Top 211%)
30K18.64 mi3.11 mi27908-5811871-5511871-5527988(Top 96%)11994(Top 95%)11994(Top 210%)
20M20.00 mi1.36 mi27895+1311868+311868+327691(Top 95%)11871(Top 94%)11871(Top 208%)
21M21.00 mi1.00 mi27974-7911916-4811916-4828751(Top 99%)12453(Top 99%)12453(Top 218%)
35K21.75 mi0.75 mi28054-8011970-5411970-5428903(Top 100%)12534(Top 100%)12534(Top 219%)
23M23.00 mi1.25 mi28091-3711995-2511995-2528294(Top 97%)12239(Top 97%)12239(Top 214%)
24M24.00 mi1.00 mi28092-1119951199527817(Top 96%)12025(Top 96%)12025(Top 210%)
40K24.85 mi0.85 mi28140-4812033-3812033-3828582(Top 98%)12405(Top 99%)12405(Top 217%)
25.2M25.20 mi0.35 mi28131+912026+712026+727436(Top 95%)11853(Top 94%)11853(Top 207%)
FINISH26.22 mi1.02 mi28109+2212020+612020+627313(Top 94%)11784(Top 94%)11784(Top 206%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
Γ—21
+97ft-345ft

Overall

27398

Females

11549

F18-39

11549

5K→10K

3.1 - 6.2 mi

Top 94%
Γ—5
+79ft-138ft

Overall

27230

Females

11432

F18-39

11432

10K→15K

6.2 - 9.3 mi

Top 94%
Γ—3
+67ft-78ft

Overall

27398

Females

11549

F18-39

11549

15K→20K

9.3 - 12.4 mi

Top 97%
Γ—5
+106ft-86ft

Overall

28013

Females

11927

F18-39

11927

20K→HALF

12.4 - 13.1 mi

Top 99%
Γ—2
+19ft-37ft

Overall

28873

Females

12507

F18-39

12507

HALF→25K

13.1 - 15.5 mi

Top 97%
Γ—4
+66ft-88ft

Overall

28198

Females

12075

F18-39

12075

25K→30K

15.5 - 18.6 mi

Top 96%
Γ—9
+181ft-148ft

Overall

27988

Females

11994

F18-39

11994

30K→20M

18.6 - 20.0 mi

Top 95%
Γ—5
+64ft-50ft

Overall

27691

Females

11871

F18-39

11871

20M→21M

20.0 - 21.0 mi

Top 99%
Γ—8
+106ft-24ft

Overall

28751

Females

12453

F18-39

12453

21M→35K

21.0 - 21.8 mi

Top 100%
Γ—7
+17ft-86ft

Overall

28903

Females

12534

F18-39

12534

35K→23M

21.8 - 23.0 mi

Top 97%
Γ—5
+23ft-63ft

Overall

28294

Females

12239

F18-39

12239

23M→24M

23.0 - 24.0 mi

Top 96%
Γ—6
+12ft-82ft

Overall

27817

Females

12025

F18-39

12025

24M→40K

24.0 - 24.9 mi

Top 98%
Γ—1
+6ft-20ft

Overall

28582

Females

12405

F18-39

12405

40K→25.2M

24.9 - 25.2 mi

Top 95%
Γ—1
+13ft-16ft

Overall

27436

Females

11853

F18-39

11853

25.2M→FINISH

25.2 - 26.2 mi

Top 94%
Γ—2
+22ft-21ft

Overall

27313

Females

11784

F18-39

11784

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
421
Passed By
1358
Net Change
-1137
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#26972
5K β†’ 10K124200-137#26972#27109
10K β†’ 15K79200-137#27109#27246
15K β†’ 20K28200-295#27246#27541
20K β†’ HALF3180-177#27541#27718
HALF β†’ 25K25157-132#27718#27850
25K β†’ 30K52110-58#27850#27908
30K β†’ 20M3320+13#27908#27895
20M β†’ 21M786-79#27895#27974
21M β†’ 35K181-80#27974#28054
35K β†’ 23M1047-37#28054#28091
23M β†’ 24M1415-1#28091#28092
24M β†’ 40K856-48#28092#28140
40K β†’ 25.2M90+9#28140#28131
25.2M β†’ FINISH286+22#28131#28109
TOTALS4211358-1137
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