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BOSTON MARATHON 2025

Rachel Westerfer

Bib: 11668•F

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0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 17%
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
7:02/mi
21:52
↑ 97↓ 3451.5%
10K· 6.21 mi
6:49/mi
43:04
↑ 79↓ 1380.4%
15K· 9.32 mi
6:56/mi
1:04:37
↑ 67↓ 78
20K· 12.43 mi
7:10/mi
1:26:54
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:31:46
↑ 19↓ 370.5%
25K· 15.53 mi
7:17/mi
1:49:26
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:12:56
↑ 181↓ 1480.2%
20M
7:34/mi
2:23:13
↑ 64↓ 500.2%
21M
8:17/mi
2:31:30
↑ 106↓ 241.6%
35K· 21.75 mi
7:32/mi
2:37:08
↑ 17↓ 861.7%
23M
7:32/mi
2:46:34
↑ 23↓ 630.6%
24M
7:39/mi
2:54:13
↓ 821.3%
40K· 24.85 mi
7:37/mi
3:00:44
↓ 200.3%
25.2M
8:07/mi
3:03:32
↑ 13↓ 160.2%
Finish· 26.22 mi
7:11/mi
3:10:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:46
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:39:05
Pace7:34 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2721:527:0221:52
7:02
-
10K
6.21 mi11:09:3943:046:5621:12
6:49
-0:13
15K
9.32 mi11:31:121:04:376:5621:33
6:56
+0:07
20K
12.43 mi11:53:291:26:547:0022:17
7:10
+0:14
Half
13.11 mi11:58:211:31:467:004:52
7:08
-0:02
25K
15.53 mi12:16:011:49:267:0317:40
7:17
+0:09
30K
18.64 mi12:39:312:12:567:0823:30
7:34
+0:17
20M
20.00 mi12:49:482:23:137:1010:17
7:34
0:00
21M
21.00 mi12:58:052:31:307:138:17
8:17
+0:43
35K
21.75 mi13:03:432:37:087:145:38
7:32
-0:45
23M
23.00 mi13:13:092:46:347:159:26
7:32
0:00
24M
24.00 mi13:20:482:54:137:167:39
7:39
+0:07
40K
24.85 mi13:27:193:00:447:166:31
7:37
-0:02
25.2M
25.20 mi13:30:073:03:327:172:48
8:07
+0:30
Finish
26.22 mi13:37:263:10:517:177:19
7:11
-0:56

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

6:49 /mi

Average Pace

7:17 /mi

Slowest Pace

8:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:45

61% of race

Time at Steady Pace

1:03:01

33% of race

Time at Slower Pace

11:05

6% of race

Average Pace: 7:17 /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 mi10:48:2721:527:0221:52
7:02
#8128
10K
6.21 mi11:09:3943:046:5621:12
6:49
#7383
15K
9.32 mi11:31:121:04:376:5621:33
6:56
#7325
20K
12.43 mi11:53:291:26:547:0022:17
7:10
#7451
Half
13.11 mi11:58:211:31:467:004:52
7:08
#7498
25K
15.53 mi12:16:011:49:267:0317:40
7:17
#7557
30K
18.64 mi12:39:312:12:567:0823:30
7:34
#7545
20M
20.00 mi12:49:482:23:137:1010:17
7:34
#7464
21M
21.00 mi12:58:052:31:307:138:17
8:17
#7485
35K
21.75 mi13:03:432:37:087:145:38
7:32
#7497
23M
23.00 mi13:13:092:46:347:159:26
7:32
#7396
24M
24.00 mi13:20:482:54:137:167:39
7:39
#7416
40K
24.85 mi13:27:193:00:447:166:31
7:37
#7368
25.2M
25.20 mi13:30:073:03:327:172:48
8:07
#7335
Finish
26.22 mi13:37:263:10:517:177:19
7:11
#7294
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8128102410247221(Top 25%)790(Top 6%)790(Top 14%)
10K6.21 mi3.10 mi7383+745793+231793+2316675(Top 24%)638(Top 5%)638(Top 12%)
15K9.32 mi3.11 mi7325+58784+9784+97221(Top 25%)790(Top 6%)790(Top 14%)
20K12.43 mi3.11 mi7451-126835-51835-517995(Top 28%)1102(Top 9%)1102(Top 20%)
Half13.11 mi0.68 mi7498-47852-17852-178589(Top 30%)1310(Top 11%)1310(Top 24%)
25K15.53 mi2.42 mi7557-59893-41893-418269(Top 29%)1318(Top 11%)1318(Top 24%)
30K18.64 mi3.11 mi7545+12927-34927-348179(Top 29%)1461(Top 12%)1461(Top 27%)
20M20.00 mi1.36 mi7464+81945-18945-187468(Top 26%)1325(Top 11%)1325(Top 24%)
21M21.00 mi1.00 mi7485-21988-43988-439134(Top 32%)2214(Top 18%)2214(Top 40%)
35K21.75 mi0.75 mi7497-121021-331021-338856(Top 31%)2050(Top 17%)2050(Top 37%)
23M23.00 mi1.25 mi7396+1011023-21023-26838(Top 24%)1321(Top 11%)1321(Top 24%)
24M24.00 mi1.00 mi7416-201066-431066-438785(Top 31%)2211(Top 18%)2211(Top 40%)
40K24.85 mi0.85 mi7368+481074-81074-87578(Top 27%)1783(Top 15%)1783(Top 33%)
25.2M25.20 mi0.35 mi7335+33107410746653(Top 23%)1481(Top 12%)1481(Top 27%)
Finish26.22 mi1.02 mi7294+411085-111085-116946(Top 24%)1623(Top 13%)1623(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

7221

Females

790

F18-39

790

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6675

Females

638

F18-39

638

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

7221

Females

790

F18-39

790

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7995

Females

1102

F18-39

1102

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8589

Females

1310

F18-39

1310

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8269

Females

1318

F18-39

1318

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8179

Females

1461

F18-39

1461

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

7468

Females

1325

F18-39

1325

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

9134

Females

2214

F18-39

2214

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8856

Females

2050

F18-39

2050

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6838

Females

1321

F18-39

1321

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8785

Females

2211

F18-39

2211

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7578

Females

1783

F18-39

1783

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6653

Females

1481

F18-39

1481

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6946

Females

1623

F18-39

1623

Passing Analysis

Category:
Athletes Passed
1995
Passed By
1161
Net Change
+834
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8128
5K → 10K76318+745#8128#7383
10K → 15K169111+58#7383#7325
15K → 20K95221-126#7325#7451
20K → Half1360-47#7451#7498
Half → 25K88147-59#7498#7557
25K → 30K190178+12#7557#7545
30K → 20M13756+81#7545#7464
20M → 21M81102-21#7464#7485
21M → 35K5264-12#7485#7497
35K → 23M13938+101#7497#7396
23M → 24M6080-20#7396#7416
24M → 40K9244+48#7416#7368
40K → 25.2M418+33#7368#7335
25.2M → Finish7534+41#7335#7294
TOTALS19951161+834
📊

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