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BOSTON MARATHON 2025

Teresa Firth

Bib: 24215•F

MA

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
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
9:00/mi
27:58
↑ 97↓ 3451.5%
10K· 6.21 mi
9:03/mi
56:04
↑ 79↓ 1380.4%
15K· 9.32 mi
9:54/mi
1:26:51
↑ 67↓ 78
20K· 12.43 mi
9:38/mi
1:56:48
↑ 106↓ 860.1%
Half· 13.11 mi
9:26/mi
2:03:14
↑ 19↓ 370.5%
25K· 15.53 mi
11:14/mi
2:30:27
↑ 66↓ 880.2%
30K· 18.64 mi
11:46/mi
3:07:00
↑ 181↓ 1480.2%
20M
12:04/mi
3:23:24
↑ 64↓ 500.2%
21M
13:14/mi
3:36:38
↑ 106↓ 241.6%
35K· 21.75 mi
11:06/mi
3:44:56
↑ 17↓ 861.7%
23M
11:56/mi
3:59:52
↑ 23↓ 630.6%
24M
11:14/mi
4:11:06
↓ 821.3%
40K· 24.85 mi
12:25/mi
4:21:43
↓ 200.3%
25.2M
14:01/mi
4:26:33
↑ 13↓ 160.2%
Finish· 26.22 mi
11:02/mi
4:37:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:14
Pace9:24 /mi
2nd Half
Distance13.11 mi
Time2:34:34
Pace11:47 /mi
📊Positive Split: 25.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0227:589:0027:58
9:00
-
10K
6.21 mi11:53:0856:049:0128:06
9:03
+0:03
15K
9.32 mi12:23:551:26:519:1930:47
9:54
+0:51
20K
12.43 mi12:53:521:56:489:2429:57
9:38
-0:16
Half
13.11 mi13:00:182:03:149:246:26
9:26
-0:12
25K
15.53 mi13:27:312:30:279:4127:13
11:14
+1:48
30K
18.64 mi14:04:043:07:0010:0236:33
11:46
+0:32
20M
20.00 mi14:20:283:23:2410:1016:24
12:04
+0:18
21M
21.00 mi14:33:423:36:3810:1913:14
13:14
+1:10
35K
21.75 mi14:42:003:44:5610:218:18
11:06
-2:08
23M
23.00 mi14:56:563:59:5210:2614:56
11:56
+0:50
24M
24.00 mi15:08:104:11:0610:2811:14
11:14
-0:42
40K
24.85 mi15:18:474:21:4310:3210:37
12:25
+1:11
25.2M
25.20 mi15:23:374:26:3310:354:50
14:01
+1:36
Finish
26.22 mi15:34:524:37:4810:3611:15
11:02
-2:59

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

9:00 /mi

Average Pace

10:36 /mi

Slowest Pace

14:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:14

44% of race

Time at Steady Pace

1:49:29

39% of race

Time at Slower Pace

45:05

16% of race

Average Pace: 10:36 /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 mi11:25:0227:589:0027:58
9:00
#22394
10K
6.21 mi11:53:0856:049:0128:06
9:03
#22513
15K
9.32 mi12:23:551:26:519:1930:47
9:54
#23500
20K
12.43 mi12:53:521:56:489:2429:57
9:38
#23459
Half
13.11 mi13:00:182:03:149:246:26
9:26
#23448
25K
15.53 mi13:27:312:30:279:4127:13
11:14
#23943
30K
18.64 mi14:04:043:07:0010:0236:33
11:46
#24303
20M
20.00 mi14:20:283:23:2410:1016:24
12:04
#24419
21M
21.00 mi14:33:423:36:3810:1913:14
13:14
#24491
35K
21.75 mi14:42:003:44:5610:218:18
11:06
#24506
23M
23.00 mi14:56:563:59:5210:2614:56
11:56
#24542
24M
24.00 mi15:08:104:11:0610:2811:14
11:14
#24546
40K
24.85 mi15:18:474:21:4310:3210:37
12:25
#24594
25.2M
25.20 mi15:23:374:26:3310:354:50
14:01
#24649
Finish
26.22 mi15:34:524:37:4810:3611:15
11:02
#24682
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi223948856885624796(Top 87%)10106(Top 83%)10106(Top 1620%)
10K6.21 mi3.10 mi22513-1198901-458901-4522565(Top 79%)8906(Top 73%)8906(Top 1427%)
15K9.32 mi3.11 mi23500-9879413-5129413-51224796(Top 87%)10106(Top 83%)10106(Top 1620%)
20K12.43 mi3.11 mi23459+419377+369377+3623320(Top 82%)9317(Top 76%)9317(Top 1493%)
Half13.11 mi0.68 mi23448+119370+79370+723317(Top 82%)9334(Top 76%)9334(Top 1496%)
25K15.53 mi2.42 mi23943-4959667-2979667-29725501(Top 90%)10568(Top 86%)10568(Top 1694%)
30K18.64 mi3.11 mi24303-3609895-2289895-22825240(Top 89%)10525(Top 86%)10525(Top 1687%)
20M20.00 mi1.36 mi24419-1169971-769971-7625345(Top 89%)10667(Top 87%)10667(Top 1709%)
21M21.00 mi1.00 mi24491-7210025-5410025-5425343(Top 89%)10731(Top 88%)10731(Top 1720%)
35K21.75 mi0.75 mi24506-1510046-2110046-2124379(Top 86%)10263(Top 84%)10263(Top 1645%)
23M23.00 mi1.25 mi24542-3610079-3310079-3324999(Top 88%)10600(Top 87%)10600(Top 1699%)
24M24.00 mi1.00 mi24546-410100-2110100-2124433(Top 86%)10343(Top 85%)10343(Top 1658%)
40K24.85 mi0.85 mi24594-4810134-3410134-3425534(Top 90%)10926(Top 89%)10926(Top 1751%)
25.2M25.20 mi0.35 mi24649-5510170-3610170-3626272(Top 92%)11321(Top 93%)11321(Top 1814%)
Finish26.22 mi1.02 mi24682-3310195-2510195-2525423(Top 90%)10866(Top 89%)10866(Top 1741%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24796

Females

10106

F60-64

10106

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22565

Females

8906

F60-64

8906

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24796

Females

10106

F60-64

10106

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23320

Females

9317

F60-64

9317

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

23317

Females

9334

F60-64

9334

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

25501

Females

10568

F60-64

10568

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25240

Females

10525

F60-64

10525

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

25345

Females

10667

F60-64

10667

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25343

Females

10731

F60-64

10731

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

24379

Females

10263

F60-64

10263

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

24999

Females

10600

F60-64

10600

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24433

Females

10343

F60-64

10343

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25534

Females

10926

F60-64

10926

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26272

Females

11321

F60-64

11321

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

25423

Females

10866

F60-64

10866

Passing Analysis

Category:
Athletes Passed
732
Passed By
3020
Net Change
-2288
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22394
5K → 10K197316-119#22394#22513
10K → 15K271014-987#22513#23500
15K → 20K168127+41#23500#23459
20K → Half3625+11#23459#23448
Half → 25K29524-495#23448#23943
25K → 30K52412-360#23943#24303
30K → 20M32148-116#24303#24419
20M → 21M36108-72#24419#24491
21M → 35K2641-15#24491#24506
35K → 23M4379-36#24506#24542
23M → 24M4650-4#24542#24546
24M → 40K1563-48#24546#24594
40K → 25.2M257-55#24594#24649
25.2M → Finish2356-33#24649#24682
TOTALS7323020-2288
📊

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