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BOSTON MARATHON 2025

Marti Mcdonald

Bib: 19383•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
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
8:21/mi
25:56
↑ 97↓ 3451.5%
10K· 6.21 mi
8:20/mi
51:48
↑ 79↓ 1380.4%
15K· 9.32 mi
8:17/mi
1:17:31
↑ 67↓ 78
20K· 12.43 mi
8:22/mi
1:43:31
↑ 106↓ 860.1%
Half· 13.11 mi
8:18/mi
1:49:11
↑ 19↓ 370.5%
25K· 15.53 mi
8:29/mi
2:09:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:42/mi
2:36:47
↑ 181↓ 1480.2%
20M
8:53/mi
2:48:51
↑ 64↓ 500.2%
21M
9:18/mi
2:58:09
↑ 106↓ 241.6%
35K· 21.75 mi
8:56/mi
3:04:50
↑ 17↓ 861.7%
23M
8:55/mi
3:16:00
↑ 23↓ 630.6%
24M
8:54/mi
3:24:54
↓ 821.3%
40K· 24.85 mi
8:53/mi
3:32:30
↓ 200.3%
25.2M
9:28/mi
3:35:46
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
3:44:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:11
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time1:55:09
Pace8:47 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1525:568:2125:56
8:21
-
10K
6.21 mi11:44:0751:488:2025:52
8:20
-0:01
15K
9.32 mi12:09:501:17:318:1925:43
8:17
-0:03
20K
12.43 mi12:35:501:43:318:2026:00
8:22
+0:05
Half
13.11 mi12:41:301:49:118:205:40
8:18
-0:04
25K
15.53 mi13:02:032:09:448:2120:33
8:29
+0:11
30K
18.64 mi13:29:062:36:478:2527:03
8:42
+0:13
20M
20.00 mi13:41:102:48:518:2712:04
8:53
+0:11
21M
21.00 mi13:50:282:58:098:299:18
9:18
+0:25
35K
21.75 mi13:57:093:04:508:306:41
8:56
-0:22
23M
23.00 mi14:08:193:16:008:3111:10
8:55
-0:01
24M
24.00 mi14:17:133:24:548:328:54
8:54
-0:01
40K
24.85 mi14:24:493:32:308:337:36
8:53
-0:01
25.2M
25.20 mi14:28:053:35:468:343:16
9:28
+0:35
Finish
26.22 mi14:36:393:44:208:348:34
8:24
-1:04

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

8:17 /mi

Average Pace

8:34 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:46

94% of race

Time at Steady Pace

12:34

6% of race

Time at Slower Pace

0:00

0% 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 mi11:18:1525:568:2125:56
8:21
#19005
10K
6.21 mi11:44:0751:488:2025:52
8:20
#18842
15K
9.32 mi12:09:501:17:318:1925:43
8:17
#18506
20K
12.43 mi12:35:501:43:318:2026:00
8:22
#18194
Half
13.11 mi12:41:301:49:118:205:40
8:18
#18153
25K
15.53 mi13:02:032:09:448:2120:33
8:29
#17937
30K
18.64 mi13:29:062:36:478:2527:03
8:42
#17542
20M
20.00 mi13:41:102:48:518:2712:04
8:53
#17407
21M
21.00 mi13:50:282:58:098:299:18
9:18
#17253
35K
21.75 mi13:57:093:04:508:306:41
8:56
#17273
23M
23.00 mi14:08:193:16:008:3111:10
8:55
#17159
24M
24.00 mi14:17:133:24:548:328:54
8:54
#17147
40K
24.85 mi14:24:493:32:308:337:36
8:53
#17082
25.2M
25.20 mi14:28:053:35:468:343:16
9:28
#17035
Finish
26.22 mi14:36:393:44:208:348:34
8:24
#16980
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi190056911691117907(Top 63%)6260(Top 51%)6260(Top 114%)
10K6.21 mi3.10 mi18842+1636813+986813+9818723(Top 66%)6718(Top 55%)6718(Top 123%)
15K9.32 mi3.11 mi18506+3366628+1856628+18517907(Top 63%)6260(Top 51%)6260(Top 114%)
20K12.43 mi3.11 mi18194+3126453+1756453+17517365(Top 61%)5987(Top 49%)5987(Top 109%)
Half13.11 mi0.68 mi18153+416432+216432+2117988(Top 63%)6305(Top 52%)6305(Top 115%)
25K15.53 mi2.42 mi17937+2166320+1126320+11217043(Top 60%)5878(Top 48%)5878(Top 107%)
30K18.64 mi3.11 mi17542+3956149+1716149+17116050(Top 57%)5493(Top 45%)5493(Top 100%)
20M20.00 mi1.36 mi17407+1356087+626087+6216130(Top 57%)5672(Top 46%)5672(Top 104%)
21M21.00 mi1.00 mi17253+1546022+656022+6515175(Top 53%)5279(Top 43%)5279(Top 97%)
35K21.75 mi0.75 mi17273-206062-406062-4017937(Top 63%)6863(Top 56%)6863(Top 125%)
23M23.00 mi1.25 mi17159+1146029+336029+3315818(Top 56%)5789(Top 47%)5789(Top 106%)
24M24.00 mi1.00 mi17147+126039-106039-1016863(Top 59%)6417(Top 52%)6417(Top 117%)
40K24.85 mi0.85 mi17082+656037+26037+215729(Top 55%)5913(Top 48%)5913(Top 108%)
25.2M25.20 mi0.35 mi17035+476023+146023+1414525(Top 51%)5314(Top 43%)5314(Top 97%)
Finish26.22 mi1.02 mi16980+556005+186005+1815661(Top 55%)5843(Top 48%)5843(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17907

Females

6260

F18-39

6260

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

18723

Females

6718

F18-39

6718

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17907

Females

6260

F18-39

6260

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

17365

Females

5987

F18-39

5987

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

17988

Females

6305

F18-39

6305

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

17043

Females

5878

F18-39

5878

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16050

Females

5493

F18-39

5493

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16130

Females

5672

F18-39

5672

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

15175

Females

5279

F18-39

5279

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

17937

Females

6863

F18-39

6863

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

15818

Females

5789

F18-39

5789

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16863

Females

6417

F18-39

6417

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15729

Females

5913

F18-39

5913

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14525

Females

5314

F18-39

5314

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15661

Females

5843

F18-39

5843

Passing Analysis

Category:
Athletes Passed
2809
Passed By
784
Net Change
+2025
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19005
5K → 10K340177+163#19005#18842
10K → 15K40266+336#18842#18506
15K → 20K35543+312#18506#18194
20K → Half6322+41#18194#18153
Half → 25K27761+216#18153#17937
25K → 30K45055+395#17937#17542
30K → 20M17439+135#17542#17407
20M → 21M18935+154#17407#17253
21M → 35K6484-20#17253#17273
35K → 23M16450+114#17273#17159
23M → 24M8472+12#17159#17147
24M → 40K9631+65#17147#17082
40K → 25.2M6013+47#17082#17035
25.2M → Finish9136+55#17035#16980
TOTALS2809784+2025
📊

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