Boston Marathon logo
BOSTON MARATHON 2025

Susan Tapley

MA

Bib: 26645 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:38/mi
33:03
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:36/mi
1:05:59
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:30/mi
1:38:36
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:54/mi
2:12:29
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:16/mi
2:19:29
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:31/mi
2:47:25
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:33/mi
3:23:19
↑ 181↓ 1480.2%
138 ft elev
20M
11:16/mi
3:38:38
↑ 64↓ 500.2%
148 ft elev
21M
11:53/mi
3:50:31
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:26/mi
3:59:04
↑ 17↓ 861.7%
156 ft elev
23M
11:20/mi
4:13:15
↑ 23↓ 630.6%
116 ft elev
24M
11:04/mi
4:24:19
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:24/mi
4:34:04
↓ 200.3%
20 ft elev
25.2M
12:19/mi
4:38:19
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:07/mi
4:48:38
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:29
Pace10:38 /mi
2nd Half
Distance13.11 mi
Time2:29:09
Pace11:23 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4033:0310:3833:03
10:38
-
10K
6.21 mi12:24:361:05:5910:3732:56
10:36
-0:02
15K
9.32 mi12:57:131:38:3610:3532:37
10:30
-0:06
20K
12.43 mi13:31:062:12:2910:4033:53
10:54
+0:24
Half
13.11 mi13:38:062:19:2910:387:00
10:16
-0:38
25K
15.53 mi14:06:022:47:2510:4727:56
11:31
+1:15
30K
18.64 mi14:41:563:23:1910:5435:54
11:33
+0:02
20M
20.00 mi14:57:153:38:3810:5615:19
11:16
-0:17
21M
21.00 mi15:09:083:50:3110:5911:53
11:53
+0:37
35K
21.75 mi15:17:413:59:0411:008:33
11:26
-0:27
23M
23.00 mi15:31:524:13:1511:0114:11
11:20
-0:06
24M
24.00 mi15:42:564:24:1911:0111:04
11:04
-0:16
40K
24.85 mi15:52:414:34:0411:029:45
11:24
+0:20
25.2M
25.20 mi15:56:564:38:1911:034:15
12:19
+0:55
Finish
26.22 mi16:07:154:48:3811:0110:19
10:07
-2:12

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

10:07 /mi

Average Pace

11:01 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:48

52% of race

Time at Steady Pace

2:02:42

43% of race

Time at Slower Pace

16:08

6% of race

Average Pace: 11:00 /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 mi11:51:4033:0310:3833:03
10:38
#27024
10K
6.21 mi12:24:361:05:5910:3732:56
10:36
#26713
15K
9.32 mi12:57:131:38:3610:3532:37
10:30
#26420
20K
12.43 mi13:31:062:12:2910:4033:53
10:54
#26258
Half
13.11 mi13:38:062:19:2910:387:00
10:16
#26213
25K
15.53 mi14:06:022:47:2510:4727:56
11:31
#26157
30K
18.64 mi14:41:563:23:1910:5435:54
11:33
#25922
20M
20.00 mi14:57:153:38:3810:5615:19
11:16
#25787
21M
21.00 mi15:09:083:50:3110:5911:53
11:53
#25682
35K
21.75 mi15:17:413:59:0411:008:33
11:26
#25662
23M
23.00 mi15:31:524:13:1511:0114:11
11:20
#25603
24M
24.00 mi15:42:564:24:1911:0111:04
11:04
#25538
40K
24.85 mi15:52:414:34:0411:029:45
11:24
#25488
25.2M
25.20 mi15:56:564:38:1911:034:15
12:19
#25465
Finish
26.22 mi16:07:154:48:3811:0110:19
10:07
#25391
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi27024113401134025932(Top 91%)10751(Top 88%)10751(Top 593%)
10K6.21 mi3.10 mi26713+31111170+17011170+17026434(Top 93%)11028(Top 90%)11028(Top 608%)
15K9.32 mi3.11 mi26420+29311012+15811012+15825932(Top 91%)10751(Top 88%)10751(Top 593%)
20K12.43 mi3.11 mi26258+16210922+9010922+9025854(Top 91%)10728(Top 88%)10728(Top 592%)
Half13.11 mi0.68 mi26213+4510902+2010902+2025347(Top 89%)10463(Top 86%)10463(Top 577%)
25K15.53 mi2.42 mi26157+5610875+2710875+2725883(Top 91%)10791(Top 88%)10791(Top 595%)
30K18.64 mi3.11 mi25922+23510783+9210783+9224926(Top 88%)10365(Top 85%)10365(Top 572%)
20M20.00 mi1.36 mi25787+13510728+5510728+5524129(Top 85%)10024(Top 82%)10024(Top 553%)
21M21.00 mi1.00 mi25682+10510682+4610682+4623373(Top 82%)9701(Top 79%)9701(Top 535%)
35K21.75 mi0.75 mi25662+2010676+610676+624965(Top 88%)10569(Top 86%)10569(Top 583%)
23M23.00 mi1.25 mi25603+5910660+1610660+1623926(Top 84%)10069(Top 82%)10069(Top 555%)
24M24.00 mi1.00 mi25538+6510638+2210638+2224110(Top 85%)10173(Top 83%)10173(Top 561%)
40K24.85 mi0.85 mi25488+5010622+1610622+1623951(Top 84%)10149(Top 83%)10149(Top 560%)
25.2M25.20 mi0.35 mi25465+2310605+1710605+1723801(Top 84%)10075(Top 82%)10075(Top 556%)
Finish26.22 mi1.02 mi25391+7410574+3110574+3123267(Top 82%)9809(Top 80%)9809(Top 541%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25932

Females

10751

F45-49

10751

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26434

Females

11028

F45-49

11028

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25932

Females

10751

F45-49

10751

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25854

Females

10728

F45-49

10728

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

25347

Females

10463

F45-49

10463

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25883

Females

10791

F45-49

10791

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

24926

Females

10365

F45-49

10365

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

24129

Females

10024

F45-49

10024

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23373

Females

9701

F45-49

9701

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

24965

Females

10569

F45-49

10569

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23926

Females

10069

F45-49

10069

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

24110

Females

10173

F45-49

10173

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23951

Females

10149

F45-49

10149

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23801

Females

10075

F45-49

10075

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

23267

Females

9809

F45-49

9809

Passing Analysis

Category:
Athletes Passed
1896
Passed By
263
Net Change
+1633
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27024
5K → 10K35241+311#27024#26713
10K → 15K30714+293#26713#26420
15K → 20K21755+162#26420#26258
20K → Half505+45#26258#26213
Half → 25K10751+56#26213#26157
25K → 30K25419+235#26157#25922
30K → 20M1394+135#25922#25787
20M → 21M1149+105#25787#25682
21M → 35K4222+20#25682#25662
35K → 23M7718+59#25662#25603
23M → 24M694+65#25603#25538
24M → 40K6010+50#25538#25488
40K → 25.2M274+23#25488#25465
25.2M → Finish817+74#25465#25391
TOTALS1896263+1633
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing