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BOSTON MARATHON 2025

Chandra Thomas

Bib: 24619•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:34
Rank: #21878
Start → 5K
27:34 | 8:52/mi
10K· 6.21 mi
55:10
Rank: #21861 (+17)
5K → 10K
27:36 | 8:53/mi
15K· 9.32 mi
1:23:07
Rank: #21901 (-40)
10K → 15K
27:57 | 9:00/mi
20K· 12.43 mi
1:51:15
Rank: #21719 (+182)
15K → 20K
28:08 | 9:03/mi
Half· 13.11 mi
1:57:13
Rank: #21650 (+69)
20K → Half
5:58 | 8:45/mi
25K· 15.53 mi
2:19:39
Rank: #21511 (+139)
Half → 25K
22:26 | 9:15/mi
30K· 18.64 mi
2:49:47
Rank: #21365 (+146)
25K → 30K
30:08 | 9:42/mi
20M
3:03:33
Rank: #21356 (+9)
30K → 20M
13:46 | 10:08/mi
21M
3:15:03
Rank: #21484 (-128)
20M → 21M
11:30 | 11:30/mi
35K· 21.75 mi
3:21:55
Rank: #21392 (+92)
21M → 35K
6:52 | 9:11/mi
23M
3:35:26
Rank: #21494 (-102)
35K → 23M
13:31 | 10:48/mi
24M
3:45:40
Rank: #21526 (-32)
23M → 24M
10:14 | 10:14/mi
40K· 24.85 mi
3:55:17
Rank: #21624 (-98)
24M → 40K
9:37 | 11:15/mi
25.2M
3:59:31
Rank: #21670 (-46)
40K → 25.2M
4:14 | 12:17/mi
Finish· 26.22 mi
4:09:54
Rank: #21720 (-50)
25.2M → Finish
10:23 | 10:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:13
Pace8:56 /mi
2nd Half
Distance13.11 mi
Time2:12:41
Pace10:07 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:1827:348:5227:34
8:52
-
10K
6.21 mi11:55:5455:108:5327:36
8:53
+0:01
15K
9.32 mi12:23:511:23:078:5527:57
9:00
+0:07
20K
12.43 mi12:51:591:51:158:5728:08
9:03
+0:03
Half
13.11 mi12:57:571:57:138:565:58
8:45
-0:18
25K
15.53 mi13:20:232:19:398:5922:26
9:15
+0:30
30K
18.64 mi13:50:312:49:479:0630:08
9:42
+0:27
20M
20.00 mi14:04:173:03:339:1113:46
10:08
+0:26
21M
21.00 mi14:15:473:15:039:1711:30
11:30
+1:22
35K
21.75 mi14:22:393:21:559:176:52
9:11
-2:19
23M
23.00 mi14:36:103:35:269:2213:31
10:48
+1:37
24M
24.00 mi14:46:243:45:409:2410:14
10:14
-0:34
40K
24.85 mi14:56:013:55:179:289:37
11:15
+1:01
25.2M
25.20 mi15:00:153:59:319:304:14
12:17
+1:02
Finish
26.22 mi15:10:384:09:549:3210:23
10:11
-2:06

Checkpoints & Pacing

📈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

8:45 /mi

Average Pace

9:32 /mi

Slowest Pace

12:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:13

47% of race

Time at Steady Pace

1:23:35

33% of race

Time at Slower Pace

49:06

20% of race

Average Pace: 9:32 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:28:1827:348:5227:34
8:52
#21878
10K
6.21 mi11:55:5455:108:5327:36
8:53
#21861
15K
9.32 mi12:23:511:23:078:5527:57
9:00
#21901
20K
12.43 mi12:51:591:51:158:5728:08
9:03
#21719
Half
13.11 mi12:57:571:57:138:565:58
8:45
#21650
25K
15.53 mi13:20:232:19:398:5922:26
9:15
#21511
30K
18.64 mi13:50:312:49:479:0630:08
9:42
#21365
20M
20.00 mi14:04:173:03:339:1113:46
10:08
#21356
21M
21.00 mi14:15:473:15:039:1711:30
11:30
#21484
35K
21.75 mi14:22:393:21:559:176:52
9:11
#21392
23M
23.00 mi14:36:103:35:269:2213:31
10:48
#21494
24M
24.00 mi14:46:243:45:409:2410:14
10:14
#21526
40K
24.85 mi14:56:013:55:179:289:37
11:15
#21624
25.2M
25.20 mi15:00:153:59:319:304:14
12:17
#21670
Finish
26.22 mi15:10:384:09:549:3210:23
10:11
#21720
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi218788559855922029(Top 78%)8572(Top 70%)8572(Top 862%)
10K6.21 mi3.10 mi21861+178530+298530+2921841(Top 77%)8510(Top 70%)8510(Top 856%)
15K9.32 mi3.11 mi21901-408543-138543-1322029(Top 78%)8572(Top 70%)8572(Top 862%)
20K12.43 mi3.11 mi21719+1828447+968447+9621257(Top 75%)8183(Top 67%)8183(Top 823%)
Half13.11 mi0.68 mi21650+698407+408407+4020695(Top 73%)7880(Top 64%)7880(Top 793%)
25K15.53 mi2.42 mi21511+1398328+798328+7920992(Top 74%)8100(Top 66%)8100(Top 815%)
30K18.64 mi3.11 mi21365+1468285+438285+4320698(Top 73%)8051(Top 66%)8051(Top 810%)
20M20.00 mi1.36 mi21356+98297-128297-1221393(Top 75%)8571(Top 70%)8571(Top 862%)
21M21.00 mi1.00 mi21484-1288384-878384-8722618(Top 80%)9307(Top 76%)9307(Top 936%)
35K21.75 mi0.75 mi21392+928346+388346+3819131(Top 67%)7526(Top 62%)7526(Top 757%)
23M23.00 mi1.25 mi21494-1028429-838429-8322746(Top 80%)9469(Top 77%)9469(Top 953%)
24M24.00 mi1.00 mi21526-328468-398468-3922043(Top 78%)9152(Top 75%)9152(Top 921%)
40K24.85 mi0.85 mi21624-988548-808548-8023671(Top 83%)10012(Top 82%)10012(Top 1007%)
25.2M25.20 mi0.35 mi21670-468591-438591-4323778(Top 84%)10052(Top 82%)10052(Top 1011%)
Finish26.22 mi1.02 mi21720-508628-378628-3723502(Top 83%)9924(Top 81%)9924(Top 998%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

22029

Females

8572

F55-59

8572

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

21841

Females

8510

F55-59

8510

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

22029

Females

8572

F55-59

8572

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

21257

Females

8183

F55-59

8183

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

20695

Females

7880

F55-59

7880

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

20992

Females

8100

F55-59

8100

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20698

Females

8051

F55-59

8051

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

21393

Females

8571

F55-59

8571

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22618

Females

9307

F55-59

9307

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

19131

Females

7526

F55-59

7526

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

22746

Females

9469

F55-59

9469

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22043

Females

9152

F55-59

9152

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23671

Females

10012

F55-59

10012

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23778

Females

10052

F55-59

10052

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

23502

Females

9924

F55-59

9924

Passing Analysis

Category:
Athletes Passed
1721
Passed By
1563
Net Change
+158
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21878
5K → 10K272255+17#21878#21861
10K → 15K191231-40#21861#21901
15K → 20K27997+182#21901#21719
20K → Half756+69#21719#21650
Half → 25K21374+139#21650#21511
25K → 30K260114+146#21511#21365
30K → 20M10596+9#21365#21356
20M → 21M45173-128#21356#21484
21M → 35K10311+92#21484#21392
35K → 23M61163-102#21392#21494
23M → 24M4779-32#21494#21526
24M → 40K30128-98#21526#21624
40K → 25.2M1359-46#21624#21670
25.2M → Finish2777-50#21670#21720
TOTALS17211563+158
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing