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BOSTON MARATHON 2025

Rachel Polhemus

MD

Bib: 23301 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Masters (Masters Women)
#0 / 6759
Top 38%
Division (F50-54)
#0 / 1303
Top 31%
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
7:42/mi
23:54
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:50/mi
48:14
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:55/mi
1:12:51
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:11/mi
1:38:18
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:15/mi
1:43:56
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:30/mi
2:04:32
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:57/mi
2:32:20
↑ 181↓ 1480.2%
138 ft elev
20M
9:22/mi
2:45:04
↑ 64↓ 500.2%
148 ft elev
21M
10:07/mi
2:55:11
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:21/mi
3:02:11
↑ 17↓ 861.7%
156 ft elev
23M
9:33/mi
3:14:09
↑ 23↓ 630.6%
116 ft elev
24M
9:16/mi
3:23:25
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:34/mi
3:31:36
↓ 200.3%
20 ft elev
25.2M
10:18/mi
3:35:09
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:59/mi
3:44:18
↑ 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
Time1:43:56
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time2:00:22
Pace9:11 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0923:547:4223:54
7:42
-
10K
6.21 mi11:43:2948:147:4624:20
7:50
+0:08
15K
9.32 mi12:08:061:12:517:4924:37
7:55
+0:05
20K
12.43 mi12:33:331:38:187:5525:27
8:11
+0:16
Half
13.11 mi12:39:111:43:567:565:38
8:15
+0:04
25K
15.53 mi12:59:472:04:328:0120:36
8:30
+0:15
30K
18.64 mi13:27:352:32:208:1027:48
8:57
+0:27
20M
20.00 mi13:40:192:45:048:1512:44
9:22
+0:25
21M
21.00 mi13:50:262:55:118:2110:07
10:07
+0:45
35K
21.75 mi13:57:263:02:118:237:00
9:21
-0:46
23M
23.00 mi14:09:243:14:098:2611:58
9:33
+0:12
24M
24.00 mi14:18:403:23:258:299:16
9:16
-0:17
40K
24.85 mi14:26:513:31:368:318:11
9:34
+0:18
25.2M
25.20 mi14:30:243:35:098:323:33
10:18
+0:44
Finish
26.22 mi14:39:333:44:188:349:09
8:59
-1:19

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

7:42 /mi

Average Pace

8:34 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:32

56% of race

Time at Steady Pace

1:05:57

29% of race

Time at Slower Pace

33:49

15% of race

Average Pace: 8:33 /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 mi11:19:0923:547:4223:54
7:42
#13939
10K
6.21 mi11:43:2948:147:4624:20
7:50
#14454
15K
9.32 mi12:08:061:12:517:4924:37
7:55
#14786
20K
12.43 mi12:33:331:38:187:5525:27
8:11
#15192
Half
13.11 mi12:39:111:43:567:565:38
8:15
#15347
25K
15.53 mi12:59:472:04:328:0120:36
8:30
#15690
30K
18.64 mi13:27:352:32:208:1027:48
8:57
#16025
20M
20.00 mi13:40:192:45:048:1512:44
9:22
#16218
21M
21.00 mi13:50:262:55:118:2110:07
10:07
#16344
35K
21.75 mi13:57:263:02:118:237:00
9:21
#16466
23M
23.00 mi14:09:243:14:098:2611:58
9:33
#16622
24M
24.00 mi14:18:403:23:258:299:16
9:16
#16724
40K
24.85 mi14:26:513:31:368:318:11
9:34
#16831
25.2M
25.20 mi14:30:243:35:098:323:33
10:18
#16857
Finish
26.22 mi14:39:333:44:188:349:09
8:59
#16972
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi139393871387115438(Top 54%)4832(Top 40%)4832(Top 371%)
10K6.21 mi3.10 mi14454-5154209-3384209-33815135(Top 53%)4623(Top 38%)4623(Top 355%)
15K9.32 mi3.11 mi14786-3324424-2154424-21515438(Top 54%)4832(Top 40%)4832(Top 371%)
20K12.43 mi3.11 mi15192-4064691-2674691-26716267(Top 57%)5371(Top 44%)5371(Top 412%)
Half13.11 mi0.68 mi15347-1554778-874778-8717693(Top 62%)6147(Top 50%)6147(Top 472%)
25K15.53 mi2.42 mi15690-3434988-2104988-21017189(Top 61%)5966(Top 49%)5966(Top 458%)
30K18.64 mi3.11 mi16025-3355236-2485236-24817412(Top 61%)6252(Top 51%)6252(Top 480%)
20M20.00 mi1.36 mi16218-1935392-1565392-15618619(Top 66%)7058(Top 58%)7058(Top 542%)
21M21.00 mi1.00 mi16344-1265494-1025494-10218734(Top 66%)7192(Top 59%)7192(Top 552%)
35K21.75 mi0.75 mi16466-1225583-895583-8919803(Top 70%)7869(Top 64%)7869(Top 604%)
23M23.00 mi1.25 mi16622-1565708-1255708-12518930(Top 67%)7471(Top 61%)7471(Top 573%)
24M24.00 mi1.00 mi16724-1025796-885796-8818680(Top 66%)7375(Top 60%)7375(Top 566%)
40K24.85 mi0.85 mi16831-1075892-965892-9619000(Top 67%)7625(Top 62%)7625(Top 585%)
25.2M25.20 mi0.35 mi16857-265922-305922-3018294(Top 64%)7282(Top 60%)7282(Top 559%)
Finish26.22 mi1.02 mi16972-1156001-796001-7918935(Top 67%)7556(Top 62%)7556(Top 580%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15438

Females

4832

F50-54

4832

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

15135

Females

4623

F50-54

4623

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15438

Females

4832

F50-54

4832

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16267

Females

5371

F50-54

5371

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17693

Females

6147

F50-54

6147

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17189

Females

5966

F50-54

5966

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17412

Females

6252

F50-54

6252

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18619

Females

7058

F50-54

7058

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18734

Females

7192

F50-54

7192

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

19803

Females

7869

F50-54

7869

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

18930

Females

7471

F50-54

7471

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18680

Females

7375

F50-54

7375

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19000

Females

7625

F50-54

7625

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18294

Females

7282

F50-54

7282

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

18935

Females

7556

F50-54

7556

Passing Analysis

Category:
Athletes Passed
989
Passed By
4022
Net Change
-3033
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13939
5K → 10K130645-515#13939#14454
10K → 15K102434-332#14454#14786
15K → 20K116522-406#14786#15192
20K → Half10165-155#15192#15347
Half → 25K88431-343#15347#15690
25K → 30K132467-335#15690#16025
30K → 20M66259-193#16025#16218
20M → 21M70196-126#16218#16344
21M → 35K35157-122#16344#16466
35K → 23M71227-156#16466#16622
23M → 24M53155-102#16622#16724
24M → 40K53160-107#16724#16831
40K → 25.2M3056-26#16831#16857
25.2M → Finish33148-115#16857#16972
TOTALS9894022-3033
📊

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