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BOSTON MARATHON 2025

Christa West

MA

Bib: 26127 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:39/mi
29:58
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:29/mi
1:02:31
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:39/mi
1:35:35
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
11:49/mi
2:12:18
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:46/mi
2:19:39
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
13:02/mi
2:51:14
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:45/mi
3:27:45
↑ 181↓ 1480.2%
138 ft elev
20M
12:02/mi
3:44:06
↑ 64↓ 500.2%
148 ft elev
21M
11:51/mi
3:55:57
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:48/mi
4:04:02
↑ 17↓ 861.7%
156 ft elev
23M
11:37/mi
4:18:35
↑ 23↓ 630.6%
116 ft elev
24M
10:24/mi
4:28:59
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:35/mi
4:38:02
↓ 200.3%
20 ft elev
25.2M
12:08/mi
4:42:13
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:50/mi
4:52:14
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:39
Pace10:39 /mi
2nd Half
Distance13.11 mi
Time2:32:35
Pace11:38 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:3429:589:3929:58
9:39
-
10K
6.21 mi12:31:071:02:3110:0432:33
10:29
+0:50
15K
9.32 mi13:04:111:35:3510:1533:04
10:39
+0:10
20K
12.43 mi13:40:542:12:1810:3936:43
11:49
+1:10
Half
13.11 mi13:48:152:19:3910:397:21
10:46
-1:03
25K
15.53 mi14:19:502:51:1411:0131:35
13:02
+2:16
30K
18.64 mi14:56:213:27:4511:0936:31
11:45
-1:17
20M
20.00 mi15:12:423:44:0611:1216:21
12:02
+0:17
21M
21.00 mi15:24:333:55:5711:1411:51
11:51
-0:11
35K
21.75 mi15:32:384:04:0211:138:05
10:48
-1:03
23M
23.00 mi15:47:114:18:3511:1514:33
11:37
+0:49
24M
24.00 mi15:57:354:28:5911:1210:24
10:24
-1:13
40K
24.85 mi16:06:384:38:0211:119:03
10:35
+0:11
25.2M
25.20 mi16:10:494:42:1311:124:11
12:08
+1:33
Finish
26.22 mi16:20:504:52:1411:0910:01
9:50
-2:18

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

9:39 /mi

Average Pace

11:09 /mi

Slowest Pace

13:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:59

14% of race

Time at Steady Pace

1:40:30

34% of race

Time at Slower Pace

2:31:45

52% of race

Average Pace: 11:09 /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 mi11:58:3429:589:3929:58
9:39
#24664
10K
6.21 mi12:31:071:02:3110:0432:33
10:29
#25566
15K
9.32 mi13:04:111:35:3510:1533:04
10:39
#25829
20K
12.43 mi13:40:542:12:1810:3936:43
11:49
#26236
Half
13.11 mi13:48:152:19:3910:397:21
10:46
#26236
25K
15.53 mi14:19:502:51:1411:0131:35
13:02
#26527
30K
18.64 mi14:56:213:27:4511:0936:31
11:45
#26300
20M
20.00 mi15:12:423:44:0611:1216:21
12:02
#26219
21M
21.00 mi15:24:333:55:5711:1411:51
11:51
#26095
35K
21.75 mi15:32:384:04:0211:138:05
10:48
#26022
23M
23.00 mi15:47:114:18:3511:1514:33
11:37
#25959
24M
24.00 mi15:57:354:28:5911:1210:24
10:24
#25871
40K
24.85 mi16:06:384:38:0211:119:03
10:35
#25763
25.2M
25.20 mi16:10:494:42:1311:124:11
12:08
#25749
Finish
26.22 mi16:20:504:52:1411:0910:01
9:50
#25665
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24664100441004426166(Top 92%)10876(Top 89%)10876(Top 199%)
10K6.21 mi3.10 mi25566-90210538-49410538-49426221(Top 92%)10916(Top 89%)10916(Top 200%)
15K9.32 mi3.11 mi25829-26310685-14710685-14726166(Top 92%)10876(Top 89%)10876(Top 199%)
20K12.43 mi3.11 mi26236-40710906-22110906-22126951(Top 95%)11362(Top 93%)11362(Top 208%)
Half13.11 mi0.68 mi2623610914-810914-826184(Top 92%)10926(Top 89%)10926(Top 200%)
25K15.53 mi2.42 mi26527-29111097-18311097-18327311(Top 96%)11600(Top 95%)11600(Top 212%)
30K18.64 mi3.11 mi26300+22710982+11510982+11525223(Top 89%)10521(Top 86%)10521(Top 192%)
20M20.00 mi1.36 mi26219+8110959+2310959+2325302(Top 89%)10640(Top 87%)10640(Top 195%)
21M21.00 mi1.00 mi26095+12410903+5610903+5623297(Top 82%)9659(Top 79%)9659(Top 177%)
35K21.75 mi0.75 mi26022+7310865+3810865+3823794(Top 84%)9947(Top 81%)9947(Top 182%)
23M23.00 mi1.25 mi25959+6310840+2510840+2524440(Top 86%)10317(Top 84%)10317(Top 189%)
24M24.00 mi1.00 mi25871+8810805+3510805+3522508(Top 79%)9402(Top 77%)9402(Top 172%)
40K24.85 mi0.85 mi25763+10810770+3510770+3522126(Top 78%)9276(Top 76%)9276(Top 170%)
25.2M25.20 mi0.35 mi25749+1410766+410766+423455(Top 83%)9901(Top 81%)9901(Top 181%)
Finish26.22 mi1.02 mi25665+8410728+3810728+3822353(Top 79%)9358(Top 77%)9358(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

26166

Females

10876

F18-39

10876

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

26221

Females

10916

F18-39

10916

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

26166

Females

10876

F18-39

10876

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

26951

Females

11362

F18-39

11362

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26184

Females

10926

F18-39

10926

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

27311

Females

11600

F18-39

11600

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25223

Females

10521

F18-39

10521

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

25302

Females

10640

F18-39

10640

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23297

Females

9659

F18-39

9659

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23794

Females

9947

F18-39

9947

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24440

Females

10317

F18-39

10317

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

22508

Females

9402

F18-39

9402

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22126

Females

9276

F18-39

9276

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23455

Females

9901

F18-39

9901

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22353

Females

9358

F18-39

9358

Passing Analysis

Category:
Athletes Passed
1061
Passed By
2062
Net Change
-1001
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24664
5K → 10K20922-902#24664#25566
10K → 15K46309-263#25566#25829
15K → 20K31438-407#25829#26236
20K → Half29290#26236#26236
Half → 25K15306-291#26236#26527
25K → 30K24316+227#26527#26300
30K → 20M9514+81#26300#26219
20M → 21M1273+124#26219#26095
21M → 35K763+73#26095#26022
35K → 23M7411+63#26022#25959
23M → 24M891+88#25959#25871
24M → 40K1080+108#25871#25763
40K → 25.2M217+14#25763#25749
25.2M → Finish873+84#25749#25665
TOTALS10612062-1001
📊

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