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BOSTON MARATHON 2026

Claire Thomas

Bib: 32254•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 (F55-59)
#0 / 951
Race Day Weather
51°/41°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
31:11
3.11 mi
Rank: #26053
Start → 5K
31:11 | 10:03/mi
10K
1:01:52
6.21 mi
Rank: #25804 (+249)
5K → 10K
30:41 | 9:53/mi
15K
1:32:06
9.32 mi
Rank: #25543 (+261)
10K → 15K
30:14 | 9:44/mi
20K
2:02:07
12.43 mi
Rank: #25198 (+345)
15K → 20K
30:01 | 9:40/mi
HALF
2:08:35
13.11 mi
Rank: #25151 (+47)
20K → HALF
6:28 | 9:30/mi
25K
2:32:25
15.53 mi
Rank: #24939 (+212)
HALF → 25K
23:50 | 9:50/mi
30K
3:03:52
18.64 mi
Rank: #24659 (+280)
25K → 30K
31:27 | 10:08/mi
20M
3:17:51
20.00 mi
Rank: #24556 (+103)
30K → 20M
13:59 | 10:18/mi
21M
3:29:21
21.00 mi
Rank: #24520 (+36)
20M → 21M
11:30 | 11:30/mi
35K
3:36:30
21.75 mi
Rank: #24431 (+89)
21M → 35K
7:09 | 9:34/mi
23M
3:48:52
23.00 mi
Rank: #24281 (+150)
35K → 23M
12:22 | 9:53/mi
24M
3:58:26
24.00 mi
Rank: #24139 (+142)
23M → 24M
9:34 | 9:34/mi
40K
4:06:38
24.85 mi
Rank: #24011 (+128)
24M → 40K
8:12 | 9:36/mi
25.2M
4:10:18
25.20 mi
Rank: #23977 (+34)
40K → 25.2M
3:40 | 10:38/mi
FINISH
4:19:58
26.22 mi
Rank: #23909 (+68)
25.2M → FINISH
9:40 | 9:30/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:08:35
Pace9:49 /mi
2nd Half
Distance13.11 mi
Time2:11:23
Pace10:02 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:4031:1110:0331:11
10:03
-
10K
6.21 mi12:30:211:01:529:5830:41
9:53
-0:10
15K
9.32 mi13:00:351:32:069:5330:14
9:44
-0:09
20K
12.43 mi13:30:362:02:079:5030:01
9:40
-0:04
HALF
13.11 mi13:37:042:08:359:496:28
9:30
-0:10
25K
15.53 mi14:00:542:32:259:4923:50
9:50
+0:20
30K
18.64 mi14:32:213:03:529:5231:27
10:08
+0:18
20M
20.00 mi14:46:203:17:519:5413:59
10:18
+0:10
21M
21.00 mi14:57:503:29:219:5911:30
11:30
+1:12
35K
21.75 mi15:04:593:36:309:587:09
9:34
-1:56
23M
23.00 mi15:17:213:48:529:5812:22
9:53
+0:19
24M
24.00 mi15:26:553:58:269:579:34
9:34
-0:19
40K
24.85 mi15:35:074:06:389:568:12
9:36
+0:02
25.2M
25.20 mi15:38:474:10:189:563:40
10:38
+1:02
FINISH
26.22 mi15:48:274:19:589:569:40
9:30
-1:08

Checkpoint Splits Visualizations

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

📈Pace 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

9:30 /mi

Average Pace

9:55 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

32:51

13% of race

Time at Steady Pace

2:46:31

64% of race

Time at Slower Pace

1:00:36

23% of race

Average Pace: 9:55 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ 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 mi11:59:4031:1110:0331:11
10:03
#26053
10K
6.21 mi12:30:211:01:529:5830:41
9:53
#25804
15K
9.32 mi13:00:351:32:069:5330:14
9:44
#25543
20K
12.43 mi13:30:362:02:079:5030:01
9:40
#25198
HALF
13.11 mi13:37:042:08:359:496:28
9:30
#25151
25K
15.53 mi14:00:542:32:259:4923:50
9:50
#24939
30K
18.64 mi14:32:213:03:529:5231:27
10:08
#24659
20M
20.00 mi14:46:203:17:519:5413:59
10:18
#24556
21M
21.00 mi14:57:503:29:219:5911:30
11:30
#24520
35K
21.75 mi15:04:593:36:309:587:09
9:34
#24431
23M
23.00 mi15:17:213:48:529:5812:22
9:53
#24281
24M
24.00 mi15:26:553:58:269:579:34
9:34
#24139
40K
24.85 mi15:35:074:06:389:568:12
9:36
#24011
25.2M
25.20 mi15:38:474:10:189:563:40
10:38
#23977
FINISH
26.22 mi15:48:274:19:589:569:40
9:30
#23909
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi26053107331073325043(Top 86%)10204(Top 81%)10204(Top 1073%)
10K6.21 mi3.10 mi25804+24910618+11510618+11525532(Top 88%)10459(Top 83%)10459(Top 1100%)
15K9.32 mi3.11 mi25543+26110479+13910479+13925043(Top 86%)10204(Top 81%)10204(Top 1073%)
20K12.43 mi3.11 mi25198+34510297+18210297+18224207(Top 83%)9784(Top 78%)9784(Top 1029%)
HALF13.11 mi0.68 mi25151+4710273+2410273+2424364(Top 84%)9883(Top 79%)9883(Top 1039%)
25K15.53 mi2.42 mi24939+21210153+12010153+12023878(Top 82%)9657(Top 77%)9657(Top 1015%)
30K18.64 mi3.11 mi24659+28010038+11510038+11523440(Top 81%)9532(Top 76%)9532(Top 1002%)
20M20.00 mi1.36 mi24556+10310000+3810000+3823345(Top 80%)9560(Top 76%)9560(Top 1005%)
21M21.00 mi1.00 mi24520+369989+119989+1124194(Top 83%)10096(Top 80%)10096(Top 1062%)
35K21.75 mi0.75 mi24431+899958+319958+3121975(Top 76%)8950(Top 71%)8950(Top 941%)
23M23.00 mi1.25 mi24281+1509903+559903+5521814(Top 75%)8913(Top 71%)8913(Top 937%)
24M24.00 mi1.00 mi24139+1429849+549849+5421583(Top 74%)8846(Top 70%)8846(Top 930%)
40K24.85 mi0.85 mi24011+1289803+469803+4620726(Top 71%)8449(Top 67%)8449(Top 888%)
25.2M25.20 mi0.35 mi23977+349790+139790+1321512(Top 74%)8844(Top 70%)8844(Top 930%)
FINISH26.22 mi1.02 mi23909+689761+299761+2922322(Top 77%)9245(Top 74%)9245(Top 972%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21
+97ft-345ft

Overall

25043

Females

10204

F55-59

10204

5K→10K

3.1 - 6.2 mi

Top 88%
×5
+79ft-138ft

Overall

25532

Females

10459

F55-59

10459

10K→15K

6.2 - 9.3 mi

Top 86%
×3
+67ft-78ft

Overall

25043

Females

10204

F55-59

10204

15K→20K

9.3 - 12.4 mi

Top 83%
×5
+106ft-86ft

Overall

24207

Females

9784

F55-59

9784

20K→HALF

12.4 - 13.1 mi

Top 84%
×2
+19ft-37ft

Overall

24364

Females

9883

F55-59

9883

HALF→25K

13.1 - 15.5 mi

Top 82%
×4
+66ft-88ft

Overall

23878

Females

9657

F55-59

9657

25K→30K

15.5 - 18.6 mi

Top 81%
×9
+181ft-148ft

Overall

23440

Females

9532

F55-59

9532

30K→20M

18.6 - 20.0 mi

Top 80%
×5
+64ft-50ft

Overall

23345

Females

9560

F55-59

9560

20M→21M

20.0 - 21.0 mi

Top 83%
×8
+106ft-24ft

Overall

24194

Females

10096

F55-59

10096

21M→35K

21.0 - 21.8 mi

Top 76%
×7
+17ft-86ft

Overall

21975

Females

8950

F55-59

8950

35K→23M

21.8 - 23.0 mi

Top 75%
×5
+23ft-63ft

Overall

21814

Females

8913

F55-59

8913

23M→24M

23.0 - 24.0 mi

Top 74%
×6
+12ft-82ft

Overall

21583

Females

8846

F55-59

8846

24M→40K

24.0 - 24.9 mi

Top 71%
×1
+6ft-20ft

Overall

20726

Females

8449

F55-59

8449

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1
+13ft-16ft

Overall

21512

Females

8844

F55-59

8844

25.2M→FINISH

25.2 - 26.2 mi

Top 77%
×2
+22ft-21ft

Overall

22322

Females

9245

F55-59

9245

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2397
Passed By
253
Net Change
+2144
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26053
5K → 10K352103+249#26053#25804
10K → 15K28928+261#25804#25543
15K → 20K35510+345#25543#25198
20K → HALF558+47#25198#25151
HALF → 25K22210+212#25151#24939
25K → 30K29515+280#24939#24659
30K → 20M11411+103#24659#24556
20M → 21M7135+36#24556#24520
21M → 35K934+89#24520#24431
35K → 23M1566+150#24431#24281
23M → 24M1431+142#24281#24139
24M → 40K1335+128#24139#24011
40K → 25.2M373+34#24011#23977
25.2M → FINISH8214+68#23977#23909
TOTALS2397253+2144
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing