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BOSTON MARATHON 2025

Amy Koepp

Bib: 10361•F

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Masters (Masters Women)
#0 / 6759
Top 16%
Division (F50-54)
#0 / 1303
Top 9%
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
7:25/mi
23:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
46:25
↑ 79↓ 1380.4%
15K· 9.32 mi
7:33/mi
1:09:52
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:33:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:39:03
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
1:58:04
↑ 66↓ 880.2%
30K· 18.64 mi
8:13/mi
2:23:37
↑ 181↓ 1480.2%
20M
8:30/mi
2:35:10
↑ 64↓ 500.2%
21M
9:42/mi
2:44:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:37/mi
2:51:19
↑ 17↓ 861.7%
23M
8:42/mi
3:02:12
↑ 23↓ 630.6%
24M
8:15/mi
3:10:27
↓ 821.3%
40K· 24.85 mi
8:46/mi
3:17:57
↓ 200.3%
25.2M
9:46/mi
3:21:19
↑ 13↓ 160.2%
Finish· 26.22 mi
7:56/mi
3:29:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:03
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:50:21
Pace8:25 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1223:037:2523:03
7:25
-
10K
6.21 mi11:14:3446:257:2823:22
7:31
+0:06
15K
9.32 mi11:38:011:09:527:3023:27
7:33
+0:02
20K
12.43 mi12:01:541:33:457:3323:53
7:41
+0:08
Half
13.11 mi12:07:121:39:037:335:18
7:46
+0:05
25K
15.53 mi12:26:131:58:047:3619:01
7:51
+0:05
30K
18.64 mi12:51:462:23:377:4225:33
8:13
+0:22
20M
20.00 mi13:03:192:35:107:4511:33
8:30
+0:17
21M
21.00 mi13:13:012:44:527:519:42
9:42
+1:12
35K
21.75 mi13:19:282:51:197:536:27
8:37
-1:05
23M
23.00 mi13:30:213:02:127:5510:53
8:42
+0:05
24M
24.00 mi13:38:363:10:277:568:15
8:15
-0:27
40K
24.85 mi13:46:063:17:577:587:30
8:46
+0:31
25.2M
25.20 mi13:49:283:21:197:593:22
9:46
+1:00
Finish
26.22 mi13:57:333:29:248:008:05
7:56
-1:50

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

7:25 /mi

Average Pace

8:00 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:04

56% of race

Time at Steady Pace

53:26

26% of race

Time at Slower Pace

37:54

18% of race

Average Pace: 7:59 /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 mi10:51:1223:037:2523:03
7:25
#11539
10K
6.21 mi11:14:3446:257:2823:22
7:31
#11873
15K
9.32 mi11:38:011:09:527:3023:27
7:33
#11958
20K
12.43 mi12:01:541:33:457:3323:53
7:41
#12028
Half
13.11 mi12:07:121:39:037:335:18
7:46
#12133
25K
15.53 mi12:26:131:58:047:3619:01
7:51
#12191
30K
18.64 mi12:51:462:23:377:4225:33
8:13
#12316
20M
20.00 mi13:03:192:35:107:4511:33
8:30
#12398
21M
21.00 mi13:13:012:44:527:519:42
9:42
#12707
35K
21.75 mi13:19:282:51:197:536:27
8:37
#12856
23M
23.00 mi13:30:213:02:127:5510:53
8:42
#12936
24M
24.00 mi13:38:363:10:277:568:15
8:15
#12931
40K
24.85 mi13:46:063:17:577:587:30
8:46
#13008
25.2M
25.20 mi13:49:283:21:197:593:22
9:46
#13063
Finish
26.22 mi13:57:333:29:248:008:05
7:56
#13047
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi115392549254912188(Top 43%)3015(Top 25%)3015(Top 231%)
10K6.21 mi3.10 mi11873-3342741-1922741-19212314(Top 43%)2986(Top 24%)2986(Top 229%)
15K9.32 mi3.11 mi11958-852810-692810-6912188(Top 43%)3015(Top 25%)3015(Top 231%)
20K12.43 mi3.11 mi12028-702887-772887-7712313(Top 43%)3180(Top 26%)3180(Top 244%)
Half13.11 mi0.68 mi12133-1052953-662953-6614037(Top 49%)4070(Top 33%)4070(Top 312%)
25K15.53 mi2.42 mi12191-583018-653018-6512714(Top 45%)3511(Top 29%)3511(Top 269%)
30K18.64 mi3.11 mi12316-1253166-1483166-14812999(Top 46%)3821(Top 31%)3821(Top 293%)
20M20.00 mi1.36 mi12398-823253-873253-8713793(Top 49%)4401(Top 36%)4401(Top 338%)
21M21.00 mi1.00 mi12707-3093453-2003453-20017032(Top 60%)6266(Top 51%)6266(Top 481%)
35K21.75 mi0.75 mi12856-1493549-963549-9616192(Top 57%)5877(Top 48%)5877(Top 451%)
23M23.00 mi1.25 mi12936-803628-793628-7914511(Top 51%)5069(Top 41%)5069(Top 389%)
24M24.00 mi1.00 mi12931+53669-413669-4112929(Top 46%)4279(Top 35%)4279(Top 328%)
40K24.85 mi0.85 mi13008-773743-743743-7415031(Top 53%)5526(Top 45%)5526(Top 424%)
25.2M25.20 mi0.35 mi13063-553775-323775-3215931(Top 56%)6036(Top 49%)6036(Top 463%)
Finish26.22 mi1.02 mi13047+163784-93784-912442(Top 44%)4150(Top 34%)4150(Top 318%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

12188

Females

3015

F50-54

3015

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12314

Females

2986

F50-54

2986

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

12188

Females

3015

F50-54

3015

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

12313

Females

3180

F50-54

3180

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

14037

Females

4070

F50-54

4070

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12714

Females

3511

F50-54

3511

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12999

Females

3821

F50-54

3821

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13793

Females

4401

F50-54

4401

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

17032

Females

6266

F50-54

6266

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16192

Females

5877

F50-54

5877

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14511

Females

5069

F50-54

5069

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12929

Females

4279

F50-54

4279

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15031

Females

5526

F50-54

5526

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15931

Females

6036

F50-54

6036

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

12442

Females

4150

F50-54

4150

Passing Analysis

Category:
Athletes Passed
1263
Passed By
2771
Net Change
-1508
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11539
5K → 10K128462-334#11539#11873
10K → 15K147232-85#11873#11958
15K → 20K168238-70#11958#12028
20K → Half11116-105#12028#12133
Half → 25K138196-58#12133#12191
25K → 30K206331-125#12191#12316
30K → 20M96178-82#12316#12398
20M → 21M36345-309#12398#12707
21M → 35K29178-149#12707#12856
35K → 23M84164-80#12856#12936
23M → 24M8782+5#12936#12931
24M → 40K52129-77#12931#13008
40K → 25.2M1570-55#13008#13063
25.2M → Finish6650+16#13063#13047
TOTALS12632771-1508
📊

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