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BOSTON MARATHON 2025

Elizabeth Reeves

IL

Bib: 16427 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 42%
Gender (Female)
#0 / 12228
Top 26%
Division (F18-39)
#0 / 5469
Top 44%
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
7:37/mi
23:40
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:38/mi
47:24
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:38/mi
1:11:06
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:41/mi
1:34:59
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:42/mi
1:40:14
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:46/mi
1:59:03
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:02/mi
2:23:59
↑ 181↓ 1480.2%
138 ft elev
20M
8:08/mi
2:35:02
↑ 64↓ 500.2%
148 ft elev
21M
8:31/mi
2:43:33
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:48/mi
2:49:23
↑ 17↓ 861.7%
156 ft elev
23M
8:18/mi
2:59:46
↑ 23↓ 630.6%
116 ft elev
24M
8:23/mi
3:08:09
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:07/mi
3:15:05
↓ 200.3%
20 ft elev
25.2M
9:05/mi
3:18:13
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:25/mi
3:25:46
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:40:147:39 /mi⚡ faster
2nd Half
1:45:328:03 /mi+5.3%
Positive split — 5.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:3823:407:3723:40
7:37
-
10K
6.21 mi11:21:2247:247:3823:44
7:38
+0:01
15K
9.32 mi11:45:041:11:067:3823:42
7:38
0:00
20K
12.43 mi12:08:571:34:597:3923:53
7:41
+0:03
Half
13.11 mi12:14:121:40:147:395:15
7:42
+0:01
25K
15.53 mi12:33:011:59:037:4018:49
7:46
+0:04
30K
18.64 mi12:57:572:23:597:4324:56
8:02
+0:16
20M
20.00 mi13:09:002:35:027:4511:03
8:08
+0:06
21M
21.00 mi13:17:312:43:337:478:31
8:31
+0:23
35K
21.75 mi13:23:212:49:237:475:50
7:48
-0:43
23M
23.00 mi13:33:442:59:467:4910:23
8:18
+0:30
24M
24.00 mi13:42:073:08:097:508:23
8:23
+0:05
40K
24.85 mi13:49:033:15:057:516:56
8:07
-0:16
25.2M
25.20 mi13:52:113:18:137:523:08
9:05
+0:58
Finish
26.22 mi13:59:443:25:467:517:33
7:25
-1:40

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

7:25 /mi

Average Pace

7:51 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

7:33

4% of race

Time at Steady Pace

2:04:53

61% of race

Time at Slower Pace

1:13:20

36% of race

Average Pace: 7:51 /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 mi10:57:3823:407:3723:40
7:37
#13282
10K
6.21 mi11:21:2247:247:3823:44
7:38
#13301
15K
9.32 mi11:45:041:11:067:3823:42
7:38
#13122
20K
12.43 mi12:08:571:34:597:3923:53
7:41
#12870
Half
13.11 mi12:14:121:40:147:395:15
7:42
#12876
25K
15.53 mi12:33:011:59:037:4018:49
7:46
#12705
30K
18.64 mi12:57:572:23:597:4324:56
8:02
#12463
20M
20.00 mi13:09:002:35:027:4511:03
8:08
#12342
21M
21.00 mi13:17:312:43:337:478:31
8:31
#12206
35K
21.75 mi13:23:212:49:237:475:50
7:48
#12136
23M
23.00 mi13:33:442:59:467:4910:23
8:18
#12088
24M
24.00 mi13:42:073:08:097:508:23
8:23
#12167
40K
24.85 mi13:49:033:15:057:516:56
8:07
#12096
25.2M
25.20 mi13:52:113:18:137:523:08
9:05
#12078
Finish
26.22 mi13:59:443:25:467:517:33
7:25
#11918
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi13282348334831287633733373
10K6.21 mi3.10 mi13301-193528-453528-451337935963596
15K9.32 mi3.11 mi13122+1793463+653463+651287633733373
20K12.43 mi3.11 mi12870+2523372+913372+911230631733173
Half13.11 mi0.68 mi12876-63384-123384-121338136923692
25K15.53 mi2.42 mi12705+1713308+763308+761204931433143
30K18.64 mi3.11 mi12463+2423249+593249+591158630873087
20M20.00 mi1.36 mi12342+1213218+313218+311136431183118
21M21.00 mi1.00 mi12206+1363186+323186+321060529082908
35K21.75 mi0.75 mi12136+703174+123174+121085630393039
23M23.00 mi1.25 mi12088+483178-43178-41201337473747
24M24.00 mi1.00 mi12167-793258-803258-801376946924692
40K24.85 mi0.85 mi12096+713257+13257+11097033873387
25.2M25.20 mi0.35 mi12078+183264-73264-71231541144114
Finish26.22 mi1.02 mi11918+1603208+563208+56860223492349

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12876

Females

3373

F18-39

3373

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

13379

Females

3596

F18-39

3596

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12876

Females

3373

F18-39

3373

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

12306

Females

3173

F18-39

3173

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

13381

Females

3692

F18-39

3692

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

12049

Females

3143

F18-39

3143

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

11586

Females

3087

F18-39

3087

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11364

Females

3118

F18-39

3118

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

10605

Females

2908

F18-39

2908

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10856

Females

3039

F18-39

3039

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

12013

Females

3747

F18-39

3747

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

13769

Females

4692

F18-39

4692

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10970

Females

3387

F18-39

3387

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12315

Females

4114

F18-39

4114

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

8602

Females

2349

F18-39

2349

Passing Analysis

Category:
Athletes Passed
2475
Passed By
1111
Net Change
+1364
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13282
5K → 10K278297-19#13282#13301
10K → 15K290111+179#13301#13122
15K → 20K34492+252#13122#12870
20K → Half3238-6#12870#12876
Half → 25K23564+171#12876#12705
25K → 30K350108+242#12705#12463
30K → 20M17049+121#12463#12342
20M → 21M17943+136#12342#12206
21M → 35K9323+70#12206#12136
35K → 23M12779+48#12136#12088
23M → 24M57136-79#12088#12167
24M → 40K10736+71#12167#12096
40K → 25.2M4224+18#12096#12078
25.2M → Finish17111+160#12078#11918
TOTALS24751111+1364

Passing Charts

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