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BOSTON MARATHON 2025

Rachel Kranitz Mcphee

Bib: 23476•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 49%
Division (F50-54)
#0 / 1303
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:29
Rank: #18135
Start → 5K
25:29 | 8:12/mi
10K· 6.21 mi
52:41
Rank: #19712 (-1577)
5K → 10K
27:12 | 8:45/mi
15K· 9.32 mi
1:18:16
Rank: #19016 (+696)
10K → 15K
25:35 | 8:14/mi
20K· 12.43 mi
1:44:45
Rank: #18830 (+186)
15K → 20K
26:29 | 8:31/mi
Half· 13.11 mi
1:50:13
Rank: #18691 (+139)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:10:58
Rank: #18482 (+209)
Half → 25K
20:45 | 8:33/mi
30K· 18.64 mi
2:41:52
Rank: #19246 (-764)
25K → 30K
30:54 | 9:57/mi
20M
2:53:45
Rank: #18959 (+287)
30K → 20M
11:53 | 8:45/mi
21M
3:05:25
Rank: #19332 (-373)
20M → 21M
11:40 | 11:40/mi
35K· 21.75 mi
3:11:42
Rank: #19188 (+144)
21M → 35K
6:17 | 8:24/mi
23M
3:22:55
Rank: #19002 (+186)
35K → 23M
11:13 | 8:58/mi
24M
3:31:26
Rank: #18826 (+176)
23M → 24M
8:31 | 8:31/mi
40K· 24.85 mi
3:40:23
Rank: #18972 (-146)
24M → 40K
8:57 | 10:28/mi
25.2M
3:43:34
Rank: #18902 (+70)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:52:07
Rank: #18764 (+138)
25.2M → Finish
8:33 | 8:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:13
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time2:01:54
Pace9:18 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0225:298:1225:29
8:12
-
10K
6.21 mi11:47:1452:418:2927:12
8:45
+0:33
15K
9.32 mi12:12:491:18:168:2425:35
8:14
-0:31
20K
12.43 mi12:39:181:44:458:2626:29
8:31
+0:17
Half
13.11 mi12:44:461:50:138:245:28
8:01
-0:30
25K
15.53 mi13:05:312:10:588:2620:45
8:33
+0:32
30K
18.64 mi13:36:252:41:528:4130:54
9:57
+1:24
20M
20.00 mi13:48:182:53:458:4111:53
8:45
-1:12
21M
21.00 mi13:59:583:05:258:5011:40
11:40
+2:55
35K
21.75 mi14:06:153:11:428:496:17
8:24
-3:16
23M
23.00 mi14:17:283:22:558:4911:13
8:58
+0:34
24M
24.00 mi14:25:593:31:268:498:31
8:31
-0:27
40K
24.85 mi14:34:563:40:238:528:57
10:28
+1:57
25.2M
25.20 mi14:38:073:43:348:523:11
9:14
-1:14
Finish
26.22 mi14:46:403:52:078:528:33
8:23
-0:51

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

8:01 /mi

Average Pace

8:52 /mi

Slowest Pace

11:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:28

2% of race

Time at Steady Pace

2:51:57

74% of race

Time at Slower Pace

54:42

24% of race

Average Pace: 8:51 /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 mi11:20:0225:298:1225:29
8:12
#18135
10K
6.21 mi11:47:1452:418:2927:12
8:45
#19712
15K
9.32 mi12:12:491:18:168:2425:35
8:14
#19016
20K
12.43 mi12:39:181:44:458:2626:29
8:31
#18830
Half
13.11 mi12:44:461:50:138:245:28
8:01
#18691
25K
15.53 mi13:05:312:10:588:2620:45
8:33
#18482
30K
18.64 mi13:36:252:41:528:4130:54
9:57
#19246
20M
20.00 mi13:48:182:53:458:4111:53
8:45
#18959
21M
21.00 mi13:59:583:05:258:5011:40
11:40
#19332
35K
21.75 mi14:06:153:11:428:496:17
8:24
#19188
23M
23.00 mi14:17:283:22:558:4911:13
8:58
#19002
24M
24.00 mi14:25:593:31:268:498:31
8:31
#18826
40K
24.85 mi14:34:563:40:238:528:57
10:28
#18972
25.2M
25.20 mi14:38:073:43:348:523:11
9:14
#18902
Finish
26.22 mi14:46:403:52:078:528:33
8:23
#18764
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi181356430643017625(Top 62%)6097(Top 50%)6097(Top 468%)
10K6.21 mi3.10 mi19712-15777306-8767306-87621177(Top 75%)8125(Top 66%)8125(Top 624%)
15K9.32 mi3.11 mi19016+6966922+3846922+38417625(Top 62%)6097(Top 50%)6097(Top 468%)
20K12.43 mi3.11 mi18830+1866810+1126810+11218419(Top 65%)6582(Top 54%)6582(Top 505%)
Half13.11 mi0.68 mi18691+1396732+786732+7816111(Top 57%)5272(Top 43%)5272(Top 405%)
25K15.53 mi2.42 mi18482+2096631+1016631+10117552(Top 62%)6170(Top 50%)6170(Top 474%)
30K18.64 mi3.11 mi19246-7647101-4707101-47021438(Top 75%)8472(Top 69%)8472(Top 650%)
20M20.00 mi1.36 mi18959+2876954+1476954+14715387(Top 54%)5266(Top 43%)5266(Top 404%)
21M21.00 mi1.00 mi19332-3737195-2417195-24122956(Top 81%)9472(Top 77%)9472(Top 727%)
35K21.75 mi0.75 mi19188+1447123+727123+7214914(Top 53%)5203(Top 43%)5203(Top 399%)
23M23.00 mi1.25 mi19002+1867048+757048+7516066(Top 57%)5931(Top 49%)5931(Top 455%)
24M24.00 mi1.00 mi18826+1766973+756973+7514675(Top 52%)5211(Top 43%)5211(Top 400%)
40K24.85 mi0.85 mi18972-1467081-1087081-10821837(Top 77%)9110(Top 75%)9110(Top 699%)
25.2M25.20 mi0.35 mi18902+707049+327049+3213228(Top 47%)4647(Top 38%)4647(Top 357%)
Finish26.22 mi1.02 mi18764+1387001+487001+4815555(Top 55%)5795(Top 47%)5795(Top 445%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

17625

Females

6097

F50-54

6097

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21177

Females

8125

F50-54

8125

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

17625

Females

6097

F50-54

6097

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

18419

Females

6582

F50-54

6582

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16111

Females

5272

F50-54

5272

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17552

Females

6170

F50-54

6170

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21438

Females

8472

F50-54

8472

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15387

Females

5266

F50-54

5266

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

22956

Females

9472

F50-54

9472

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14914

Females

5203

F50-54

5203

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16066

Females

5931

F50-54

5931

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14675

Females

5211

F50-54

5211

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21837

Females

9110

F50-54

9110

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13228

Females

4647

F50-54

4647

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15555

Females

5795

F50-54

5795

Passing Analysis

Category:
Athletes Passed
2621
Passed By
3250
Net Change
-629
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18135
5K → 10K251602-1577#18135#19712
10K → 15K71418+696#19712#19016
15K → 20K287101+186#19016#18830
20K → Half1445+139#18830#18691
Half → 25K26455+209#18691#18482
25K → 30K70834-764#18482#19246
30K → 20M2947+287#19246#18959
20M → 21M28401-373#18959#19332
21M → 35K1462+144#19332#19188
35K → 23M20014+186#19188#19002
23M → 24M1848+176#19002#18826
24M → 40K44190-146#18826#18972
40K → 25.2M722+70#18972#18902
25.2M → Finish14911+138#18902#18764
TOTALS26213250-629
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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