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BOSTON MARATHON 2025

Mamie Coleman

CA

Bib: 26203 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:03/mi
31:13
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:15/mi
1:03:04
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:10/mi
1:34:40
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
11:41/mi
2:10:58
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:18/mi
2:17:19
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:09/mi
2:44:21
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
12:03/mi
3:21:47
↑ 181↓ 1480.2%
138 ft elev
20M
13:14/mi
3:39:46
↑ 64↓ 500.2%
148 ft elev
21M
12:04/mi
3:51:50
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:00/mi
3:59:19
↑ 17↓ 861.7%
156 ft elev
23M
10:49/mi
4:12:52
↑ 23↓ 630.6%
116 ft elev
24M
9:48/mi
4:22:40
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:57/mi
4:32:02
↓ 200.3%
20 ft elev
25.2M
11:56/mi
4:36:09
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:24/mi
4:45:44
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:19
Pace10:28 /mi
2nd Half
Distance13.11 mi
Time2:28:25
Pace11:19 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2331:1310:0331:13
10:03
-
10K
6.21 mi12:25:141:03:0410:0931:51
10:15
+0:12
15K
9.32 mi12:56:501:34:4010:0931:36
10:10
-0:05
20K
12.43 mi13:33:082:10:5810:3236:18
11:41
+1:31
Half
13.11 mi13:39:292:17:1910:286:21
9:18
-2:23
25K
15.53 mi14:06:312:44:2110:3527:02
11:09
+1:51
30K
18.64 mi14:43:573:21:4710:4937:26
12:03
+0:54
20M
20.00 mi15:01:563:39:4610:5917:59
13:14
+1:11
21M
21.00 mi15:14:003:51:5011:0212:04
12:04
-1:10
35K
21.75 mi15:21:293:59:1911:007:29
10:00
-2:04
23M
23.00 mi15:35:024:12:5211:0013:33
10:49
+0:49
24M
24.00 mi15:44:504:22:4010:579:48
9:48
-1:01
40K
24.85 mi15:54:124:32:0210:579:22
10:57
+1:09
25.2M
25.20 mi15:58:194:36:0910:584:07
11:56
+0:59
Finish
26.22 mi16:07:544:45:4410:549:35
9:24
-2:32

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

9:18 /mi

Average Pace

10:54 /mi

Slowest Pace

13:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:53

45% of race

Time at Steady Pace

49:57

17% of race

Time at Slower Pace

1:47:54

38% of race

Average Pace: 10:54 /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 mi11:53:2331:1310:0331:13
10:03
#25691
10K
6.21 mi12:25:141:03:0410:0931:51
10:15
#25763
15K
9.32 mi12:56:501:34:4010:0931:36
10:10
#25631
20K
12.43 mi13:33:082:10:5810:3236:18
11:41
#26041
Half
13.11 mi13:39:292:17:1910:286:21
9:18
#25917
25K
15.53 mi14:06:312:44:2110:3527:02
11:09
#25841
30K
18.64 mi14:43:573:21:4710:4937:26
12:03
#25794
20M
20.00 mi15:01:563:39:4610:5917:59
13:14
#25895
21M
21.00 mi15:14:003:51:5011:0212:04
12:04
#25785
35K
21.75 mi15:21:293:59:1911:007:29
10:00
#25686
23M
23.00 mi15:35:024:12:5211:0013:33
10:49
#25567
24M
24.00 mi15:44:504:22:4010:579:48
9:48
#25403
40K
24.85 mi15:54:124:32:0210:579:22
10:57
#25334
25.2M
25.20 mi15:58:194:36:0910:584:07
11:56
#25303
Finish
26.22 mi16:07:544:45:4410:549:35
9:24
#25229
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi25691105791057925352(Top 89%)10431(Top 85%)10431(Top 801%)
10K6.21 mi3.10 mi25763-7210640-6110640-6125825(Top 91%)10697(Top 87%)10697(Top 821%)
15K9.32 mi3.11 mi25631+13210577+6310577+6325352(Top 89%)10431(Top 85%)10431(Top 801%)
20K12.43 mi3.11 mi26041-41010810-23310810-23326819(Top 94%)11281(Top 92%)11281(Top 866%)
Half13.11 mi0.68 mi25917+12410744+6610744+6622953(Top 81%)9131(Top 75%)9131(Top 701%)
25K15.53 mi2.42 mi25841+7610710+3410710+3425412(Top 89%)10521(Top 86%)10521(Top 807%)
30K18.64 mi3.11 mi25794+4710716-610716-625659(Top 90%)10761(Top 88%)10761(Top 826%)
20M20.00 mi1.36 mi25895-10110778-6210778-6226661(Top 94%)11376(Top 93%)11376(Top 873%)
21M21.00 mi1.00 mi25785+11010734+4410734+4423699(Top 83%)9868(Top 81%)9868(Top 757%)
35K21.75 mi0.75 mi25686+9910689+4510689+4521883(Top 77%)8991(Top 74%)8991(Top 690%)
23M23.00 mi1.25 mi25567+11910640+4910640+4922781(Top 80%)9491(Top 78%)9491(Top 728%)
24M24.00 mi1.00 mi25403+16410562+7810562+7820700(Top 73%)8453(Top 69%)8453(Top 649%)
40K24.85 mi0.85 mi25334+6910527+3510527+3523024(Top 81%)9721(Top 79%)9721(Top 746%)
25.2M25.20 mi0.35 mi25303+3110518+910518+923045(Top 81%)9688(Top 79%)9688(Top 744%)
Finish26.22 mi1.02 mi25229+7410484+3410484+3420793(Top 73%)8562(Top 70%)8562(Top 657%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25352

Females

10431

F50-54

10431

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25825

Females

10697

F50-54

10697

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25352

Females

10431

F50-54

10431

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

26819

Females

11281

F50-54

11281

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

22953

Females

9131

F50-54

9131

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

25412

Females

10521

F50-54

10521

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

25659

Females

10761

F50-54

10761

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

26661

Females

11376

F50-54

11376

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23699

Females

9868

F50-54

9868

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

21883

Females

8991

F50-54

8991

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22781

Females

9491

F50-54

9491

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

20700

Females

8453

F50-54

8453

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23024

Females

9721

F50-54

9721

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

23045

Females

9688

F50-54

9688

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

20793

Females

8562

F50-54

8562

Passing Analysis

Category:
Athletes Passed
1500
Passed By
1038
Net Change
+462
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25691
5K → 10K167239-72#25691#25763
10K → 15K19664+132#25763#25631
15K → 20K35445-410#25631#26041
20K → Half1251+124#26041#25917
Half → 25K13458+76#25917#25841
25K → 30K12982+47#25841#25794
30K → 20M25126-101#25794#25895
20M → 21M1177+110#25895#25785
21M → 35K1023+99#25785#25686
35K → 23M1234+119#25686#25567
23M → 24M1640+164#25567#25403
24M → 40K767+69#25403#25334
40K → 25.2M321+31#25334#25303
25.2M → Finish751+74#25303#25229
TOTALS15001038+462
📊

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