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BOSTON MARATHON 2025

Courtney Dunbar

Bib: 28091•F

NE

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:23
Rank: #25028
Start → 5K
30:23 | 9:47/mi
10K· 6.21 mi
1:00:54
Rank: #24974 (+54)
5K → 10K
30:31 | 9:49/mi
15K· 9.32 mi
1:32:09
Rank: #25010 (-36)
10K → 15K
31:15 | 10:04/mi
20K· 12.43 mi
2:05:46
Rank: #25274 (-264)
15K → 20K
33:37 | 10:49/mi
Half· 13.11 mi
2:13:06
Rank: #25324 (-50)
20K → Half
7:20 | 10:45/mi
25K· 15.53 mi
2:40:40
Rank: #25407 (-83)
Half → 25K
27:34 | 11:22/mi
30K· 18.64 mi
3:17:23
Rank: #25395 (+12)
25K → 30K
36:43 | 11:49/mi
20M
3:33:58
Rank: #25428 (-33)
30K → 20M
16:35 | 12:12/mi
21M
3:46:54
Rank: #25413 (+15)
20M → 21M
12:56 | 12:56/mi
35K· 21.75 mi
3:55:24
Rank: #25391 (+22)
21M → 35K
8:30 | 11:22/mi
23M
4:10:33
Rank: #25381 (+10)
35K → 23M
15:09 | 12:06/mi
24M
4:21:47
Rank: #25344 (+37)
23M → 24M
11:14 | 11:14/mi
40K· 24.85 mi
4:32:14
Rank: #25342 (+2)
24M → 40K
10:27 | 12:13/mi
25.2M
4:37:05
Rank: #25374 (-32)
40K → 25.2M
4:51 | 14:04/mi
Finish· 26.22 mi
4:48:51
Rank: #25411 (-37)
25.2M → Finish
11:46 | 11:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:06
Pace10:09 /mi
2nd Half
Distance13.11 mi
Time2:35:45
Pace11:53 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1730:239:4730:23
9:47
-
10K
6.21 mi12:17:481:00:549:4830:31
9:49
+0:02
15K
9.32 mi12:49:031:32:099:5331:15
10:04
+0:15
20K
12.43 mi13:22:402:05:4610:0733:37
10:49
+0:45
Half
13.11 mi13:30:002:13:0610:097:20
10:45
-0:04
25K
15.53 mi13:57:342:40:4010:2127:34
11:22
+0:37
30K
18.64 mi14:34:173:17:2310:3536:43
11:49
+0:27
20M
20.00 mi14:50:523:33:5810:4216:35
12:12
+0:23
21M
21.00 mi15:03:483:46:5410:4812:56
12:56
+0:44
35K
21.75 mi15:12:183:55:2410:498:30
11:22
-1:34
23M
23.00 mi15:27:274:10:3310:5415:09
12:06
+0:44
24M
24.00 mi15:38:414:21:4710:5411:14
11:14
-0:52
40K
24.85 mi15:49:084:32:1410:5710:27
12:13
+0:59
25.2M
25.20 mi15:53:594:37:0511:004:51
14:04
+1:51
Finish
26.22 mi16:05:454:48:5111:0111:46
11:33
-2:31

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

9:47 /mi

Average Pace

11:01 /mi

Slowest Pace

14:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:29

34% of race

Time at Steady Pace

2:09:24

45% of race

Time at Slower Pace

59:58

21% of race

Average Pace: 11:01 /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 mi11:47:1730:239:4730:23
9:47
#25028
10K
6.21 mi12:17:481:00:549:4830:31
9:49
#24974
15K
9.32 mi12:49:031:32:099:5331:15
10:04
#25010
20K
12.43 mi13:22:402:05:4610:0733:37
10:49
#25274
Half
13.11 mi13:30:002:13:0610:097:20
10:45
#25324
25K
15.53 mi13:57:342:40:4010:2127:34
11:22
#25407
30K
18.64 mi14:34:173:17:2310:3536:43
11:49
#25395
20M
20.00 mi14:50:523:33:5810:4216:35
12:12
#25428
21M
21.00 mi15:03:483:46:5410:4812:56
12:56
#25413
35K
21.75 mi15:12:183:55:2410:498:30
11:22
#25391
23M
23.00 mi15:27:274:10:3310:5415:09
12:06
#25381
24M
24.00 mi15:38:414:21:4710:5411:14
11:14
#25344
40K
24.85 mi15:49:084:32:1410:5710:27
12:13
#25342
25.2M
25.20 mi15:53:594:37:0511:004:51
14:04
#25374
Finish
26.22 mi16:05:454:48:5111:0111:46
11:33
#25411
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi25028102251022525109(Top 88%)10281(Top 84%)10281(Top 567%)
10K6.21 mi3.10 mi24974+5410219+610219+624903(Top 88%)10183(Top 83%)10183(Top 562%)
15K9.32 mi3.11 mi25010-3610229-1010229-1025109(Top 88%)10281(Top 84%)10281(Top 567%)
20K12.43 mi3.11 mi25274-26410390-16110390-16125738(Top 91%)10664(Top 87%)10664(Top 588%)
Half13.11 mi0.68 mi25324-5010419-2910419-2926155(Top 92%)10907(Top 89%)10907(Top 602%)
25K15.53 mi2.42 mi25407-8310476-5710476-5725695(Top 90%)10691(Top 87%)10691(Top 590%)
30K18.64 mi3.11 mi25395+1210501-2510501-2525340(Top 89%)10579(Top 87%)10579(Top 584%)
20M20.00 mi1.36 mi25428-3310531-3010531-3025533(Top 90%)10771(Top 88%)10771(Top 594%)
21M21.00 mi1.00 mi25413+1510542-1110542-1124956(Top 88%)10548(Top 86%)10548(Top 582%)
35K21.75 mi0.75 mi25391+2210540+210540+224852(Top 87%)10511(Top 86%)10511(Top 580%)
23M23.00 mi1.25 mi25381+1010546-610546-625256(Top 89%)10740(Top 88%)10740(Top 592%)
24M24.00 mi1.00 mi25344+3710528+1810528+1824436(Top 86%)10346(Top 85%)10346(Top 571%)
40K24.85 mi0.85 mi25342+210532-410532-425259(Top 89%)10796(Top 88%)10796(Top 595%)
25.2M25.20 mi0.35 mi25374-3210555-2310555-2326327(Top 93%)11348(Top 93%)11348(Top 626%)
Finish26.22 mi1.02 mi25411-3710582-2710582-2726189(Top 92%)11241(Top 92%)11241(Top 620%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

25109

Females

10281

F45-49

10281

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

24903

Females

10183

F45-49

10183

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

25109

Females

10281

F45-49

10281

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

25738

Females

10664

F45-49

10664

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

26155

Females

10907

F45-49

10907

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25695

Females

10691

F45-49

10691

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25340

Females

10579

F45-49

10579

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

25533

Females

10771

F45-49

10771

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

24956

Females

10548

F45-49

10548

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

24852

Females

10511

F45-49

10511

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

25256

Females

10740

F45-49

10740

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24436

Females

10346

F45-49

10346

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25259

Females

10796

F45-49

10796

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26327

Females

11348

F45-49

11348

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

26189

Females

11241

F45-49

11241

Passing Analysis

Category:
Athletes Passed
885
Passed By
1268
Net Change
-383
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25028
5K → 10K211157+54#25028#24974
10K → 15K107143-36#24974#25010
15K → 20K62326-264#25010#25274
20K → Half1363-50#25274#25324
Half → 25K67150-83#25324#25407
25K → 30K124112+12#25407#25395
30K → 20M4376-33#25395#25428
20M → 21M5742+15#25428#25413
21M → 35K4119+22#25413#25391
35K → 23M4838+10#25391#25381
23M → 24M5417+37#25381#25344
24M → 40K3432+2#25344#25342
40K → 25.2M537-32#25342#25374
25.2M → Finish1956-37#25374#25411
TOTALS8851268-383
📊

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