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BOSTON MARATHON 2025

Allyson O'Rourke

MA

Bib: 27887 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:49/mi
27:25
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:22/mi
53:24
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:23/mi
1:19:26
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:28/mi
1:45:43
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:29/mi
1:51:30
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:32/mi
2:12:11
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:44/mi
2:39:18
↑ 181↓ 1480.2%
138 ft elev
20M
8:44/mi
2:51:10
↑ 64↓ 500.2%
148 ft elev
21M
8:58/mi
3:00:08
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:39/mi
3:06:36
↑ 17↓ 861.7%
156 ft elev
23M
8:35/mi
3:17:20
↑ 23↓ 630.6%
116 ft elev
24M
8:35/mi
3:25:55
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:31/mi
3:33:12
↓ 200.3%
20 ft elev
25.2M
9:14/mi
3:36:23
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:46/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
Time1:51:30
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time1:52:48
Pace8:36 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1927:258:4927:25
8:49
-
10K
6.21 mi12:11:1853:248:3625:59
8:22
-0:27
15K
9.32 mi12:37:201:19:268:3126:02
8:23
+0:01
20K
12.43 mi13:03:371:45:438:3026:17
8:28
+0:05
Half
13.11 mi13:09:241:51:308:305:47
8:29
+0:01
25K
15.53 mi13:30:052:12:118:3120:41
8:32
+0:03
30K
18.64 mi13:57:122:39:188:3327:07
8:44
+0:12
20M
20.00 mi14:09:042:51:108:3311:52
8:44
0:00
21M
21.00 mi14:18:023:00:088:358:58
8:58
+0:14
35K
21.75 mi14:24:303:06:368:356:28
8:39
-0:19
23M
23.00 mi14:35:143:17:208:3510:44
8:35
-0:04
24M
24.00 mi14:43:493:25:558:358:35
8:35
0:00
40K
24.85 mi14:51:063:33:128:357:17
8:31
-0:04
25.2M
25.20 mi14:54:173:36:238:353:11
9:14
+0:43
Finish
26.22 mi15:02:123:44:188:347:55
7:46
-1:28

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

7:46 /mi

Average Pace

8:34 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:58

53% of race

Time at Steady Pace

1:41:09

45% of race

Time at Slower Pace

3:11

1% 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 mi11:45:1927:258:4927:25
8:49
#21641
10K
6.21 mi12:11:1853:248:3625:59
8:22
#20365
15K
9.32 mi12:37:201:19:268:3126:02
8:23
#19814
20K
12.43 mi13:03:371:45:438:3026:17
8:28
#19313
Half
13.11 mi13:09:241:51:308:305:47
8:29
#19296
25K
15.53 mi13:30:052:12:118:3120:41
8:32
#18955
30K
18.64 mi13:57:122:39:188:3327:07
8:44
#18417
20M
20.00 mi14:09:042:51:108:3311:52
8:44
#18143
21M
21.00 mi14:18:023:00:088:358:58
8:58
#17874
35K
21.75 mi14:24:303:06:368:356:28
8:39
#17804
23M
23.00 mi14:35:143:17:208:3510:44
8:35
#17543
24M
24.00 mi14:43:493:25:558:358:35
8:35
#17416
40K
24.85 mi14:51:063:33:128:357:17
8:31
#17263
25.2M
25.20 mi14:54:173:36:238:353:11
9:14
#17190
Finish
26.22 mi15:02:123:44:188:347:55
7:46
#16971
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi216418426842618581(Top 65%)6647(Top 54%)6647(Top 122%)
10K6.21 mi3.10 mi20365+12767689+7377689+73718959(Top 67%)6857(Top 56%)6857(Top 125%)
15K9.32 mi3.11 mi19814+5517353+3367353+33618581(Top 65%)6647(Top 54%)6647(Top 122%)
20K12.43 mi3.11 mi19313+5017089+2647089+26417956(Top 63%)6316(Top 52%)6316(Top 115%)
Half13.11 mi0.68 mi19296+177078+117078+1119061(Top 67%)6920(Top 57%)6920(Top 127%)
25K15.53 mi2.42 mi18955+3416891+1876891+18717380(Top 61%)6069(Top 50%)6069(Top 111%)
30K18.64 mi3.11 mi18417+5386612+2796612+27916169(Top 57%)5564(Top 46%)5564(Top 102%)
20M20.00 mi1.36 mi18143+2746498+1146498+11415294(Top 54%)5209(Top 43%)5209(Top 95%)
21M21.00 mi1.00 mi17874+2696363+1356363+13513350(Top 47%)4303(Top 35%)4303(Top 79%)
35K21.75 mi0.75 mi17804+706334+296334+2916367(Top 58%)5987(Top 49%)5987(Top 109%)
23M23.00 mi1.25 mi17543+2616251+836251+8313798(Top 49%)4707(Top 38%)4707(Top 86%)
24M24.00 mi1.00 mi17416+1276200+516200+5114997(Top 53%)5392(Top 44%)5392(Top 99%)
40K24.85 mi0.85 mi17263+1536135+656135+6513606(Top 48%)4772(Top 39%)4772(Top 87%)
25.2M25.20 mi0.35 mi17190+736106+296106+2913203(Top 46%)4622(Top 38%)4622(Top 85%)
Finish26.22 mi1.02 mi16971+2196000+1066000+10611265(Top 40%)3601(Top 29%)3601(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18581

Females

6647

F18-39

6647

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

18959

Females

6857

F18-39

6857

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18581

Females

6647

F18-39

6647

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

17956

Females

6316

F18-39

6316

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

19061

Females

6920

F18-39

6920

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17380

Females

6069

F18-39

6069

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16169

Females

5564

F18-39

5564

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

15294

Females

5209

F18-39

5209

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

13350

Females

4303

F18-39

4303

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

16367

Females

5987

F18-39

5987

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13798

Females

4707

F18-39

4707

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14997

Females

5392

F18-39

5392

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13606

Females

4772

F18-39

4772

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13203

Females

4622

F18-39

4622

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11265

Females

3601

F18-39

3601

Passing Analysis

Category:
Athletes Passed
4917
Passed By
247
Net Change
+4670
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21641
5K → 10K130226+1276#21641#20365
10K → 15K57120+551#20365#19814
15K → 20K52221+501#19814#19313
20K → Half4225+17#19313#19296
Half → 25K36726+341#19296#18955
25K → 30K56830+538#18955#18417
30K → 20M28713+274#18417#18143
20M → 21M2745+269#18143#17874
21M → 35K10232+70#17874#17804
35K → 23M2709+261#17804#17543
23M → 24M14720+127#17543#17416
24M → 40K1629+153#17416#17263
40K → 25.2M818+73#17263#17190
25.2M → Finish2223+219#17190#16971
TOTALS4917247+4670
📊

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