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BOSTON MARATHON 2025

Erin Mcpherson

Bib: 26267•F

MA

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
12:21/mi
38:22
↑ 97↓ 3451.5%
10K· 6.21 mi
12:53/mi
1:18:24
↑ 79↓ 1380.4%
15K· 9.32 mi
12:41/mi
1:57:48
↑ 67↓ 78
20K· 12.43 mi
12:42/mi
2:37:15
↑ 106↓ 860.1%
Half· 13.11 mi
12:25/mi
2:45:43
↑ 19↓ 370.5%
25K· 15.53 mi
13:58/mi
3:19:34
↑ 66↓ 880.2%
30K· 18.64 mi
13:49/mi
4:02:30
↑ 181↓ 1480.2%
20M
13:13/mi
4:20:28
↑ 64↓ 500.2%
21M
14:00/mi
4:34:28
↑ 106↓ 241.6%
35K· 21.75 mi
13:10/mi
4:44:19
↑ 17↓ 861.7%
23M
13:39/mi
5:01:24
↑ 23↓ 630.6%
24M
16:46/mi
5:18:10
↓ 821.3%
40K· 24.85 mi
16:10/mi
5:31:59
↓ 200.3%
25.2M
17:44/mi
5:38:06
↑ 13↓ 160.2%
Finish· 26.22 mi
12:36/mi
5:50:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:45:43
Pace12:38 /mi
2nd Half
Distance13.11 mi
Time3:05:13
Pace14:08 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5638:2212:2138:22
12:21
-
10K
6.21 mi12:33:581:18:2412:3740:02
12:53
+0:32
15K
9.32 mi13:13:221:57:4812:3839:24
12:41
-0:12
20K
12.43 mi13:52:492:37:1512:3939:27
12:42
+0:01
Half
13.11 mi14:01:172:45:4312:388:28
12:25
-0:17
25K
15.53 mi14:35:083:19:3412:5133:51
13:58
+1:33
30K
18.64 mi15:18:044:02:3013:0142:56
13:49
-0:09
20M
20.00 mi15:36:024:20:2813:0117:58
13:13
-0:36
21M
21.00 mi15:50:024:34:2813:0414:00
14:00
+0:47
35K
21.75 mi15:59:534:44:1913:049:51
13:10
-0:50
23M
23.00 mi16:16:585:01:2413:0617:05
13:39
+0:29
24M
24.00 mi16:33:445:18:1013:1516:46
16:46
+3:07
40K
24.85 mi16:47:335:31:5913:2113:49
16:10
-0:36
25.2M
25.20 mi16:53:405:38:0613:256:07
17:44
+1:34
Finish
26.22 mi17:06:305:50:5613:2412:50
12:36
-5:08

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

12:21 /mi

Average Pace

13:24 /mi

Slowest Pace

17:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:22

11% of race

Time at Steady Pace

4:35:52

79% of race

Time at Slower Pace

36:42

10% of race

Average Pace: 13:23 /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 mi11:53:5638:2212:2138:22
12:21
#28312
10K
6.21 mi12:33:581:18:2412:3740:02
12:53
#28317
15K
9.32 mi13:13:221:57:4812:3839:24
12:41
#28271
20K
12.43 mi13:52:492:37:1512:3939:27
12:42
#28184
Half
13.11 mi14:01:172:45:4312:388:28
12:25
#28160
25K
15.53 mi14:35:083:19:3412:5133:51
13:58
#28144
30K
18.64 mi15:18:044:02:3013:0142:56
13:49
#28068
20M
20.00 mi15:36:024:20:2813:0117:58
13:13
#28010
21M
21.00 mi15:50:024:34:2813:0414:00
14:00
#27960
35K
21.75 mi15:59:534:44:1913:049:51
13:10
#27940
23M
23.00 mi16:16:585:01:2413:0617:05
13:39
#27908
24M
24.00 mi16:33:445:18:1013:1516:46
16:46
#28002
40K
24.85 mi16:47:335:31:5913:2113:49
16:10
#28034
25.2M
25.20 mi16:53:405:38:0613:256:07
17:44
#28047
Finish
26.22 mi17:06:305:50:5613:2412:50
12:36
#28030
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28312121671216728034(Top 99%)11996(Top 98%)11996(Top 219%)
10K6.21 mi3.10 mi28317-512173-612173-628304(Top 100%)12170(Top 100%)12170(Top 223%)
15K9.32 mi3.11 mi28271+4612148+2512148+2528034(Top 99%)11996(Top 98%)11996(Top 219%)
20K12.43 mi3.11 mi28184+8712092+5612092+5627657(Top 97%)11793(Top 96%)11793(Top 216%)
Half13.11 mi0.68 mi28160+2412075+1712075+1727717(Top 98%)11835(Top 97%)11835(Top 216%)
25K15.53 mi2.42 mi28144+1612074+112074+127863(Top 98%)11929(Top 98%)11929(Top 218%)
30K18.64 mi3.11 mi28068+7612027+4712027+4727373(Top 96%)11701(Top 96%)11701(Top 214%)
20M20.00 mi1.36 mi28010+5812000+2712000+2726657(Top 94%)11375(Top 93%)11375(Top 208%)
21M21.00 mi1.00 mi27960+5011975+2511975+2526231(Top 92%)11174(Top 91%)11174(Top 204%)
35K21.75 mi0.75 mi27940+2011966+911966+927109(Top 95%)11647(Top 95%)11647(Top 213%)
23M23.00 mi1.25 mi27908+3211953+1311953+1327012(Top 95%)11618(Top 95%)11618(Top 212%)
24M24.00 mi1.00 mi28002-9412009-5612009-5628295(Top 100%)12195(Top 100%)12195(Top 223%)
40K24.85 mi0.85 mi28034-3212033-2412033-2428132(Top 99%)12143(Top 99%)12143(Top 222%)
25.2M25.20 mi0.35 mi28047-1312042-912042-928180(Top 99%)12169(Top 100%)12169(Top 223%)
Finish26.22 mi1.02 mi28030+1712036+612036+627352(Top 96%)11797(Top 96%)11797(Top 216%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

28034

Females

11996

F18-39

11996

5K→10K

3.1 - 6.2 mi

Top 100%
×5story building
+79ft-138ft

Overall

28304

Females

12170

F18-39

12170

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

28034

Females

11996

F18-39

11996

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

27657

Females

11793

F18-39

11793

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

27717

Females

11835

F18-39

11835

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

27863

Females

11929

F18-39

11929

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

27373

Females

11701

F18-39

11701

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

26657

Females

11375

F18-39

11375

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

26231

Females

11174

F18-39

11174

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

27109

Females

11647

F18-39

11647

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

27012

Females

11618

F18-39

11618

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

28295

Females

12195

F18-39

12195

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28132

Females

12143

F18-39

12143

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28180

Females

12169

F18-39

12169

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

27352

Females

11797

F18-39

11797

Passing Analysis

Category:
Athletes Passed
505
Passed By
223
Net Change
+282
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28312
5K → 10K2126-5#28312#28317
10K → 15K537+46#28317#28271
15K → 20K903+87#28271#28184
20K → Half284+24#28184#28160
Half → 25K3014+16#28160#28144
25K → 30K826+76#28144#28068
30K → 20M624+58#28068#28010
20M → 21M522+50#28010#27960
21M → 35K233+20#27960#27940
35K → 23M342+32#27940#27908
23M → 24M397-94#27908#28002
24M → 40K436-32#28002#28034
40K → 25.2M316-13#28034#28047
25.2M → Finish203+17#28047#28030
TOTALS505223+282
📊

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