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BOSTON MARATHON 2025

Michelle Clarkson

Bib: 26201•F

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:39/mi
29:58
↑ 97↓ 3451.5%
10K· 6.21 mi
10:30/mi
1:02:35
↑ 79↓ 1380.4%
15K· 9.32 mi
10:57/mi
1:36:35
↑ 67↓ 78
20K· 12.43 mi
11:51/mi
2:13:23
↑ 106↓ 860.1%
Half· 13.11 mi
11:00/mi
2:20:53
↑ 19↓ 370.5%
25K· 15.53 mi
11:34/mi
2:48:55
↑ 66↓ 880.2%
30K· 18.64 mi
11:58/mi
3:26:07
↑ 181↓ 1480.2%
20M
12:07/mi
3:42:35
↑ 64↓ 500.2%
21M
13:09/mi
3:55:44
↑ 106↓ 241.6%
35K· 21.75 mi
10:47/mi
4:03:48
↑ 17↓ 861.7%
23M
11:52/mi
4:18:39
↑ 23↓ 630.6%
24M
11:52/mi
4:30:31
↓ 821.3%
40K· 24.85 mi
11:07/mi
4:40:01
↓ 200.3%
25.2M
11:53/mi
4:44:07
↑ 13↓ 160.2%
Finish· 26.22 mi
10:29/mi
4:54:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:53
Pace10:45 /mi
2nd Half
Distance13.11 mi
Time2:33:55
Pace11:44 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:3129:589:3929:58
9:39
-
10K
6.21 mi12:18:081:02:3510:0432:37
10:30
+0:51
15K
9.32 mi12:52:081:36:3510:2234:00
10:57
+0:27
20K
12.43 mi13:28:562:13:2310:4436:48
11:51
+0:54
Half
13.11 mi13:36:262:20:5310:457:30
11:00
-0:51
25K
15.53 mi14:04:282:48:5510:5228:02
11:34
+0:34
30K
18.64 mi14:41:403:26:0711:0337:12
11:58
+0:24
20M
20.00 mi14:58:083:42:3511:0816:28
12:07
+0:09
21M
21.00 mi15:11:173:55:4411:1413:09
13:09
+1:02
35K
21.75 mi15:19:214:03:4811:138:04
10:47
-2:22
23M
23.00 mi15:34:124:18:3911:1514:51
11:52
+1:05
24M
24.00 mi15:46:044:30:3111:1611:52
11:52
0:00
40K
24.85 mi15:55:344:40:0111:169:30
11:07
-0:45
25.2M
25.20 mi15:59:404:44:0711:164:06
11:53
+0:46
Finish
26.22 mi16:10:214:54:4811:1510:41
10:29
-1:24

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

9:39 /mi

Average Pace

11:15 /mi

Slowest Pace

13:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:20

45% of race

Time at Steady Pace

2:12:51

45% of race

Time at Slower Pace

29:37

10% of race

Average Pace: 11:15 /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 mi11:45:3129:589:3929:58
9:39
#24665
10K
6.21 mi12:18:081:02:3510:0432:37
10:30
#25590
15K
9.32 mi12:52:081:36:3510:2234:00
10:57
#26011
20K
12.43 mi13:28:562:13:2310:4436:48
11:51
#26376
Half
13.11 mi13:36:262:20:5310:457:30
11:00
#26396
25K
15.53 mi14:04:282:48:5510:5228:02
11:34
#26307
30K
18.64 mi14:41:403:26:0711:0337:12
11:58
#26166
20M
20.00 mi14:58:083:42:3511:0816:28
12:07
#26118
21M
21.00 mi15:11:173:55:4411:1413:09
13:09
#26077
35K
21.75 mi15:19:214:03:4811:138:04
10:47
#26003
23M
23.00 mi15:34:124:18:3911:1514:51
11:52
#25963
24M
24.00 mi15:46:044:30:3111:1611:52
11:52
#25970
40K
24.85 mi15:55:344:40:0111:169:30
11:07
#25897
25.2M
25.20 mi15:59:404:44:0711:164:06
11:53
#25876
Finish
26.22 mi16:10:214:54:4811:1510:41
10:29
#25834
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi24665100451004526600(Top 94%)11129(Top 91%)11129(Top 1120%)
10K6.21 mi3.10 mi25590-92510550-50510550-50526254(Top 92%)10938(Top 89%)10938(Top 1100%)
15K9.32 mi3.11 mi26011-42110784-23410784-23426600(Top 94%)11129(Top 91%)11129(Top 1120%)
20K12.43 mi3.11 mi26376-36510993-20910993-20926976(Top 95%)11376(Top 93%)11376(Top 1144%)
Half13.11 mi0.68 mi26396-2011004-1111004-1126465(Top 93%)11101(Top 91%)11101(Top 1117%)
25K15.53 mi2.42 mi26307+8910958+4610958+4625936(Top 91%)10829(Top 89%)10829(Top 1089%)
30K18.64 mi3.11 mi26166+14110914+4410914+4425554(Top 90%)10706(Top 88%)10706(Top 1077%)
20M20.00 mi1.36 mi26118+4810903+1110903+1125421(Top 89%)10713(Top 88%)10713(Top 1078%)
21M21.00 mi1.00 mi26077+4110891+1210891+1225240(Top 89%)10690(Top 87%)10690(Top 1075%)
35K21.75 mi0.75 mi26003+7410856+3510856+3523751(Top 84%)9928(Top 81%)9928(Top 999%)
23M23.00 mi1.25 mi25963+4010842+1410842+1424874(Top 88%)10535(Top 86%)10535(Top 1060%)
24M24.00 mi1.00 mi25970-710851-910851-925493(Top 90%)10872(Top 89%)10872(Top 1094%)
40K24.85 mi0.85 mi25897+7310823+2810823+2823367(Top 82%)9889(Top 81%)9889(Top 995%)
25.2M25.20 mi0.35 mi25876+2110821+210821+222943(Top 81%)9643(Top 79%)9643(Top 970%)
Finish26.22 mi1.02 mi25834+4210813+810813+824226(Top 85%)10283(Top 84%)10283(Top 1035%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

26600

Females

11129

F55-59

11129

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

26254

Females

10938

F55-59

10938

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

26600

Females

11129

F55-59

11129

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

26976

Females

11376

F55-59

11376

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

26465

Females

11101

F55-59

11101

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25936

Females

10829

F55-59

10829

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

25554

Females

10706

F55-59

10706

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

25421

Females

10713

F55-59

10713

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25240

Females

10690

F55-59

10690

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23751

Females

9928

F55-59

9928

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

24874

Females

10535

F55-59

10535

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

25493

Females

10872

F55-59

10872

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23367

Females

9889

F55-59

9889

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

22943

Females

9643

F55-59

9643

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

24226

Females

10283

F55-59

10283

Passing Analysis

Category:
Athletes Passed
854
Passed By
2023
Net Change
-1169
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24665
5K → 10K20945-925#24665#25590
10K → 15K27448-421#25590#26011
15K → 20K34399-365#26011#26376
20K → Half1333-20#26376#26396
Half → 25K13950+89#26396#26307
25K → 30K17635+141#26307#26166
30K → 20M7325+48#26166#26118
20M → 21M6423+41#26118#26077
21M → 35K784+74#26077#26003
35K → 23M5717+40#26003#25963
23M → 24M2633-7#25963#25970
24M → 40K741+73#25970#25897
40K → 25.2M254+21#25897#25876
25.2M → Finish486+42#25876#25834
TOTALS8542023-1169
📊

Passing Visuals

Category:
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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