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BOSTON MARATHON 2025

Joanne Thomson

Bib: 25021•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Top 46%
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
8:11/mi
25:24
↑ 97↓ 3451.5%
10K· 6.21 mi
8:31/mi
51:51
↑ 79↓ 1380.4%
15K· 9.32 mi
8:49/mi
1:19:13
↑ 67↓ 78
20K· 12.43 mi
9:39/mi
1:49:13
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
1:55:20
↑ 19↓ 370.5%
25K· 15.53 mi
9:28/mi
2:18:16
↑ 66↓ 880.2%
30K· 18.64 mi
10:52/mi
2:52:01
↑ 181↓ 1480.2%
20M
10:13/mi
3:05:54
↑ 64↓ 500.2%
21M
11:59/mi
3:17:53
↑ 106↓ 241.6%
35K· 21.75 mi
10:18/mi
3:25:35
↑ 17↓ 861.7%
23M
11:05/mi
3:39:27
↑ 23↓ 630.6%
24M
10:00/mi
3:49:27
↓ 821.3%
40K· 24.85 mi
10:57/mi
3:58:49
↓ 200.3%
25.2M
11:36/mi
4:02:49
↑ 13↓ 160.2%
Finish· 26.22 mi
9:53/mi
4:12:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:20
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:17:33
Pace10:30 /mi
📊Positive Split: 19.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5325:248:1125:24
8:11
-
10K
6.21 mi11:51:2051:518:2126:27
8:31
+0:20
15K
9.32 mi12:18:421:19:138:3027:22
8:49
+0:18
20K
12.43 mi12:48:421:49:138:4730:00
9:39
+0:50
Half
13.11 mi12:54:491:55:208:486:07
8:58
-0:41
25K
15.53 mi13:17:452:18:168:5422:56
9:28
+0:30
30K
18.64 mi13:51:302:52:019:1433:45
10:52
+1:24
20M
20.00 mi14:05:233:05:549:1813:53
10:13
-0:39
21M
21.00 mi14:17:223:17:539:2511:59
11:59
+1:46
35K
21.75 mi14:25:043:25:359:277:42
10:18
-1:41
23M
23.00 mi14:38:563:39:279:3213:52
11:05
+0:47
24M
24.00 mi14:48:563:49:279:3410:00
10:00
-1:05
40K
24.85 mi14:58:183:58:499:379:22
10:57
+0:57
25.2M
25.20 mi15:02:184:02:499:384:00
11:36
+0:39
Finish
26.22 mi15:12:224:12:539:3910:04
9:53
-1:43

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

8:11 /mi

Average Pace

9:39 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:20

34% of race

Time at Steady Pace

1:34:35

37% of race

Time at Slower Pace

1:12:58

29% of race

Average Pace: 9:39 /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 mi11:24:5325:248:1125:24
8:11
#17968
10K
6.21 mi11:51:2051:518:2126:27
8:31
#18892
15K
9.32 mi12:18:421:19:138:3027:22
8:49
#19649
20K
12.43 mi12:48:421:49:138:4730:00
9:39
#20857
Half
13.11 mi12:54:491:55:208:486:07
8:58
#20919
25K
15.53 mi13:17:452:18:168:5422:56
9:28
#21104
30K
18.64 mi13:51:302:52:019:1433:45
10:52
#21889
20M
20.00 mi14:05:233:05:549:1813:53
10:13
#21852
21M
21.00 mi14:17:223:17:539:2511:59
11:59
#21993
35K
21.75 mi14:25:043:25:359:277:42
10:18
#22013
23M
23.00 mi14:38:563:39:279:3213:52
11:05
#22103
24M
24.00 mi14:48:563:49:279:3410:00
10:00
#22062
40K
24.85 mi14:58:183:58:499:379:22
10:57
#22106
25.2M
25.20 mi15:02:184:02:499:384:00
11:36
#22108
Finish
26.22 mi15:12:224:12:539:3910:04
9:53
#22105
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi179686330633021073(Top 74%)8045(Top 66%)8045(Top 1289%)
10K6.21 mi3.10 mi18892-9246845-5156845-51519896(Top 70%)7414(Top 61%)7414(Top 1188%)
15K9.32 mi3.11 mi19649-7577264-4197264-41921073(Top 74%)8045(Top 66%)8045(Top 1289%)
20K12.43 mi3.11 mi20857-12087957-6937957-69323366(Top 82%)9340(Top 76%)9340(Top 1497%)
Half13.11 mi0.68 mi20919-627988-317988-3121721(Top 76%)8440(Top 69%)8440(Top 1353%)
25K15.53 mi2.42 mi21104-1858100-1128100-11221738(Top 77%)8511(Top 70%)8511(Top 1364%)
30K18.64 mi3.11 mi21889-7858560-4608560-46023738(Top 84%)9723(Top 80%)9723(Top 1558%)
20M20.00 mi1.36 mi21852+378553+78553+721627(Top 76%)8699(Top 71%)8699(Top 1394%)
21M21.00 mi1.00 mi21993-1418661-1088661-10823570(Top 83%)9794(Top 80%)9794(Top 1570%)
35K21.75 mi0.75 mi22013-208684-238684-2322678(Top 80%)9377(Top 77%)9377(Top 1503%)
23M23.00 mi1.25 mi22103-908776-928776-9223407(Top 82%)9806(Top 80%)9806(Top 1571%)
24M24.00 mi1.00 mi22062+418772+48772+421388(Top 75%)8801(Top 72%)8801(Top 1410%)
40K24.85 mi0.85 mi22106-448817-458817-4523049(Top 81%)9729(Top 80%)9729(Top 1559%)
25.2M25.20 mi0.35 mi22108-28827-108827-1022333(Top 79%)9316(Top 76%)9316(Top 1493%)
Finish26.22 mi1.02 mi22105+38840-138840-1322568(Top 79%)9448(Top 77%)9448(Top 1514%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

21073

Females

8045

F60-64

8045

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19896

Females

7414

F60-64

7414

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

21073

Females

8045

F60-64

8045

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23366

Females

9340

F60-64

9340

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21721

Females

8440

F60-64

8440

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

21738

Females

8511

F60-64

8511

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23738

Females

9723

F60-64

9723

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21627

Females

8699

F60-64

8699

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23570

Females

9794

F60-64

9794

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22678

Females

9377

F60-64

9377

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

23407

Females

9806

F60-64

9806

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21388

Females

8801

F60-64

8801

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23049

Females

9729

F60-64

9729

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22333

Females

9316

F60-64

9316

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22568

Females

9448

F60-64

9448

Passing Analysis

Category:
Athletes Passed
700
Passed By
4837
Net Change
-4137
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17968
5K → 10K56980-924#17968#18892
10K → 15K43800-757#18892#19649
15K → 20K311239-1208#19649#20857
20K → Half1880-62#20857#20919
Half → 25K91276-185#20919#21104
25K → 30K48833-785#21104#21889
30K → 20M10972+37#21889#21852
20M → 21M39180-141#21852#21993
21M → 35K3555-20#21993#22013
35K → 23M55145-90#22013#22103
23M → 24M6625+41#22103#22062
24M → 40K3074-44#22062#22106
40K → 25.2M2729-2#22106#22108
25.2M → Finish5249+3#22108#22105
TOTALS7004837-4137
📊

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