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BOSTON MARATHON 2025

Terra James

Bib: 26235•F

MO

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
10:34/mi
32:49
↑ 97↓ 3451.5%
10K· 6.21 mi
11:47/mi
1:09:24
↑ 79↓ 1380.4%
15K· 9.32 mi
11:54/mi
1:46:21
↑ 67↓ 78
20K· 12.43 mi
12:11/mi
2:24:12
↑ 106↓ 860.1%
Half· 13.11 mi
11:36/mi
2:32:07
↑ 19↓ 370.5%
25K· 15.53 mi
13:07/mi
3:03:54
↑ 66↓ 880.2%
30K· 18.64 mi
12:38/mi
3:43:10
↑ 181↓ 1480.2%
20M
12:34/mi
4:00:14
↑ 64↓ 500.2%
21M
13:45/mi
4:13:59
↑ 106↓ 241.6%
35K· 21.75 mi
11:31/mi
4:22:36
↑ 17↓ 861.7%
23M
12:00/mi
4:37:38
↑ 23↓ 630.6%
24M
11:25/mi
4:49:03
↓ 821.3%
40K· 24.85 mi
12:39/mi
4:59:52
↓ 200.3%
25.2M
14:01/mi
5:04:42
↑ 13↓ 160.2%
Finish· 26.22 mi
11:36/mi
5:16:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:32:07
Pace11:36 /mi
2nd Half
Distance13.11 mi
Time2:44:24
Pace12:32 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4232:4910:3432:49
10:34
-
10K
6.21 mi12:26:171:09:2411:1036:35
11:47
+1:13
15K
9.32 mi13:03:141:46:2111:2536:57
11:54
+0:07
20K
12.43 mi13:41:052:24:1211:3637:51
12:11
+0:17
Half
13.11 mi13:49:002:32:0711:367:55
11:36
-0:35
25K
15.53 mi14:20:473:03:5411:5031:47
13:07
+1:31
30K
18.64 mi15:00:033:43:1011:5839:16
12:38
-0:29
20M
20.00 mi15:17:074:00:1412:0117:04
12:34
-0:04
21M
21.00 mi15:30:524:13:5912:0613:45
13:45
+1:11
35K
21.75 mi15:39:294:22:3612:048:37
11:31
-2:14
23M
23.00 mi15:54:314:37:3812:0415:02
12:00
+0:29
24M
24.00 mi16:05:564:49:0312:0311:25
11:25
-0:35
40K
24.85 mi16:16:454:59:5212:0410:49
12:39
+1:14
25.2M
25.20 mi16:21:355:04:4212:054:50
14:01
+1:22
Finish
26.22 mi16:33:245:16:3112:0511:49
11:36
-2:25

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

10:34 /mi

Average Pace

12:05 /mi

Slowest Pace

14:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

52:51

17% of race

Time at Steady Pace

2:26:09

46% of race

Time at Slower Pace

1:57:31

37% of race

Average Pace: 12:04 /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 mi11:49:4232:4910:3432:49
10:34
#26890
10K
6.21 mi12:26:171:09:2411:1036:35
11:47
#27505
15K
9.32 mi13:03:141:46:2111:2536:57
11:54
#27544
20K
12.43 mi13:41:052:24:1211:3637:51
12:11
#27480
Half
13.11 mi13:49:002:32:0711:367:55
11:36
#27469
25K
15.53 mi14:20:473:03:5411:5031:47
13:07
#27460
30K
18.64 mi15:00:033:43:1011:5839:16
12:38
#27265
20M
20.00 mi15:17:074:00:1412:0117:04
12:34
#27198
21M
21.00 mi15:30:524:13:5912:0613:45
13:45
#27146
35K
21.75 mi15:39:294:22:3612:048:37
11:31
#27104
23M
23.00 mi15:54:314:37:3812:0415:02
12:00
#27035
24M
24.00 mi16:05:564:49:0312:0311:25
11:25
#26980
40K
24.85 mi16:16:454:59:5212:0410:49
12:39
#26944
25.2M
25.20 mi16:21:355:04:4212:054:50
14:01
#26933
Finish
26.22 mi16:33:245:16:3112:0511:49
11:36
#26919
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26890112601126027553(Top 97%)11720(Top 96%)11720(Top 214%)
10K6.21 mi3.10 mi27505-61511646-38611646-38627817(Top 98%)11849(Top 97%)11849(Top 217%)
15K9.32 mi3.11 mi27544-3911684-3811684-3827553(Top 97%)11720(Top 96%)11720(Top 214%)
20K12.43 mi3.11 mi27480+6411650+3411650+3427256(Top 96%)11557(Top 95%)11557(Top 211%)
Half13.11 mi0.68 mi27469+1111643+711643+727135(Top 96%)11492(Top 94%)11492(Top 210%)
25K15.53 mi2.42 mi27460+911656-1311656-1327365(Top 96%)11630(Top 95%)11630(Top 213%)
30K18.64 mi3.11 mi27265+19511561+9511561+9526308(Top 93%)11127(Top 91%)11127(Top 203%)
20M20.00 mi1.36 mi27198+6711523+3811523+3825965(Top 91%)11002(Top 90%)11002(Top 201%)
21M21.00 mi1.00 mi27146+5211498+2511498+2525939(Top 91%)11015(Top 90%)11015(Top 201%)
35K21.75 mi0.75 mi27104+4211480+1811480+1825119(Top 88%)10653(Top 87%)10653(Top 195%)
23M23.00 mi1.25 mi27035+6911447+3311447+3325120(Top 88%)10667(Top 87%)10667(Top 195%)
24M24.00 mi1.00 mi26980+5511419+2811419+2824735(Top 87%)10516(Top 86%)10516(Top 192%)
40K24.85 mi0.85 mi26944+3611408+1111408+1125857(Top 91%)11073(Top 91%)11073(Top 202%)
25.2M25.20 mi0.35 mi26933+1111406+211406+226283(Top 93%)11332(Top 93%)11332(Top 207%)
Finish26.22 mi1.02 mi26919+1411403+311403+326275(Top 93%)11290(Top 92%)11290(Top 206%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

27553

Females

11720

F18-39

11720

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

27817

Females

11849

F18-39

11849

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

27553

Females

11720

F18-39

11720

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27256

Females

11557

F18-39

11557

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27135

Females

11492

F18-39

11492

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

27365

Females

11630

F18-39

11630

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

26308

Females

11127

F18-39

11127

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25965

Females

11002

F18-39

11002

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25939

Females

11015

F18-39

11015

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

25119

Females

10653

F18-39

10653

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

25120

Females

10667

F18-39

10667

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24735

Females

10516

F18-39

10516

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25857

Females

11073

F18-39

11073

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26283

Females

11332

F18-39

11332

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26275

Females

11290

F18-39

11290

Passing Analysis

Category:
Athletes Passed
869
Passed By
898
Net Change
-29
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26890
5K → 10K18633-615#26890#27505
10K → 15K73112-39#27505#27544
15K → 20K10642+64#27544#27480
20K → Half2110+11#27480#27469
Half → 25K6960+9#27469#27460
25K → 30K20510+195#27460#27265
30K → 20M703+67#27265#27198
20M → 21M553+52#27198#27146
21M → 35K431+42#27146#27104
35K → 23M712+69#27104#27035
23M → 24M572+55#27035#26980
24M → 40K426+36#26980#26944
40K → 25.2M154+11#26944#26933
25.2M → Finish2410+14#26933#26919
TOTALS869898-29
📊

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