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BOSTON MARATHON 2025

Amy Johnson

Bib: 10506•F

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
6:59/mi
21:41
↑ 97↓ 3451.5%
10K· 6.21 mi
6:56/mi
43:12
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:05:44
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:29:35
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:34:48
↑ 19↓ 370.5%
25K· 15.53 mi
8:07/mi
1:54:28
↑ 66↓ 880.2%
30K· 18.64 mi
17:29/mi
2:48:47
↑ 181↓ 1480.2%
20M
17:58/mi
3:13:12
↑ 64↓ 500.2%
21M
17:06/mi
3:30:18
↑ 106↓ 241.6%
35K· 21.75 mi
14:40/mi
3:41:16
↑ 17↓ 861.7%
23M
14:51/mi
3:59:52
↑ 23↓ 630.6%
24M
15:22/mi
4:15:14
↓ 821.3%
40K· 24.85 mi
18:08/mi
4:30:44
↓ 200.3%
25.2M
18:31/mi
4:37:07
↑ 13↓ 160.2%
Finish· 26.22 mi
16:10/mi
4:53:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:48
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time3:18:47
Pace15:10 /mi
📊Positive Split: 109.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5121:416:5921:41
6:59
-
10K
6.21 mi11:09:2243:126:5721:31
6:56
-0:03
15K
9.32 mi11:31:541:05:447:0322:32
7:15
+0:19
20K
12.43 mi11:55:451:29:357:1323:51
7:41
+0:26
Half
13.11 mi12:00:581:34:487:145:13
7:39
-0:02
25K
15.53 mi12:20:381:54:287:2219:40
8:07
+0:28
30K
18.64 mi13:14:572:48:479:0354:19
17:29
+9:22
20M
20.00 mi13:39:223:13:129:4024:25
17:58
+0:29
21M
21.00 mi13:56:283:30:1810:0117:06
17:06
-0:52
35K
21.75 mi14:07:263:41:1610:1010:58
14:40
-2:26
23M
23.00 mi14:26:023:59:5210:2618:36
14:51
+0:11
24M
24.00 mi14:41:244:15:1410:3815:22
15:22
+0:31
40K
24.85 mi14:56:544:30:4410:5415:30
18:08
+2:46
25.2M
25.20 mi15:03:174:37:0711:006:23
18:31
+0:23
Finish
26.22 mi15:19:454:53:3511:1216:28
16:10
-2:21

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

6:56 /mi

Average Pace

11:12 /mi

Slowest Pace

18:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:28

39% of race

Time at Steady Pace

1:18:30

27% of race

Time at Slower Pace

1:40:37

34% of race

Average Pace: 11:12 /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 mi10:47:5121:416:5921:41
6:59
#7640
10K
6.21 mi11:09:2243:126:5721:31
6:56
#7526
15K
9.32 mi11:31:541:05:447:0322:32
7:15
#8128
20K
12.43 mi11:55:451:29:357:1323:51
7:41
#9061
Half
13.11 mi12:00:581:34:487:145:13
7:39
#9260
25K
15.53 mi12:20:381:54:287:2219:40
8:07
#10168
30K
18.64 mi13:14:572:48:479:0354:19
17:29
#21123
20M
20.00 mi13:39:223:13:129:4024:25
17:58
#23031
21M
21.00 mi13:56:283:30:1810:0117:06
17:06
#23771
35K
21.75 mi14:07:263:41:1610:1010:58
14:40
#24105
23M
23.00 mi14:26:023:59:5210:2618:36
14:51
#24543
24M
24.00 mi14:41:244:15:1410:3815:22
15:22
#24892
40K
24.85 mi14:56:544:30:4410:5415:30
18:08
#25251
25.2M
25.20 mi15:03:174:37:0711:006:23
18:31
#25378
Finish
26.22 mi15:19:454:53:3511:1216:28
16:10
#25769
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi76408728729556(Top 34%)1684(Top 14%)1684(Top 98%)
10K6.21 mi3.10 mi7526+114839+33839+337420(Top 26%)824(Top 7%)824(Top 48%)
15K9.32 mi3.11 mi8128-6021058-2191058-2199556(Top 34%)1684(Top 14%)1684(Top 98%)
20K12.43 mi3.11 mi9061-9331443-3851443-38512175(Top 43%)3099(Top 25%)3099(Top 180%)
Half13.11 mi0.68 mi9260-1991537-941537-9412874(Top 45%)3452(Top 28%)3452(Top 201%)
25K15.53 mi2.42 mi10168-9081991-4541991-45414703(Top 52%)4596(Top 38%)4596(Top 268%)
30K18.64 mi3.11 mi21123-109558154-61638154-616328368(Top 100%)12214(Top 100%)12214(Top 711%)
20M20.00 mi1.36 mi23031-19089230-10769230-107628346(Top 100%)12210(Top 100%)12210(Top 711%)
21M21.00 mi1.00 mi23771-7409645-4159645-41528169(Top 99%)12134(Top 99%)12134(Top 706%)
35K21.75 mi0.75 mi24105-3349828-1839828-18327974(Top 98%)12070(Top 99%)12070(Top 703%)
23M23.00 mi1.25 mi24543-43810080-25210080-25227852(Top 98%)12023(Top 98%)12023(Top 700%)
24M24.00 mi1.00 mi24892-34910281-20110281-20128124(Top 99%)12145(Top 99%)12145(Top 707%)
40K24.85 mi0.85 mi25251-35910491-21010491-21028326(Top 100%)12205(Top 100%)12205(Top 710%)
25.2M25.20 mi0.35 mi25378-12710559-6810559-6828271(Top 100%)12193(Top 100%)12193(Top 710%)
Finish26.22 mi1.02 mi25769-39110776-21710776-21728326(Top 100%)12205(Top 100%)12205(Top 710%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9556

Females

1684

F40-44

1684

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

7420

Females

824

F40-44

824

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9556

Females

1684

F40-44

1684

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

12175

Females

3099

F40-44

3099

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12874

Females

3452

F40-44

3452

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

14703

Females

4596

F40-44

4596

25K→30K

15.5 - 18.6 mi

Top 100%
×9story building
+181ft-148ft

Overall

28368

Females

12214

F40-44

12214

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

28346

Females

12210

F40-44

12210

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

28169

Females

12134

F40-44

12134

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

27974

Females

12070

F40-44

12070

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

27852

Females

12023

F40-44

12023

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

28124

Females

12145

F40-44

12145

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

28326

Females

12205

F40-44

12205

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

28271

Females

12193

F40-44

12193

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

28326

Females

12205

F40-44

12205

Passing Analysis

Category:
Athletes Passed
367
Passed By
18493
Net Change
-18129
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7640
5K → 10K254140+114#7640#7526
10K → 15K29631-602#7526#8128
15K → 20K29962-933#8128#9061
20K → Half3202-199#9061#9260
Half → 25K33939-908#9260#10168
25K → 30K010954-10955#10168#21123
30K → 20M21910-1908#21123#23031
20M → 21M4744-740#23031#23771
21M → 35K3337-334#23771#24105
35K → 23M7445-438#24105#24543
23M → 24M3352-349#24543#24892
24M → 40K0359-359#24892#25251
40K → 25.2M0127-127#25251#25378
25.2M → Finish0391-391#25378#25769
TOTALS36718493-18129
📊

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