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BOSTON MARATHON 2025

Olivia Boyd

Bib: 31550•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
10:20/mi
32:06
↑ 97↓ 3451.5%
10K· 6.21 mi
10:20/mi
1:04:12
↑ 79↓ 1380.4%
15K· 9.32 mi
10:30/mi
1:36:50
↑ 67↓ 78
20K· 12.43 mi
10:31/mi
2:09:31
↑ 106↓ 860.1%
Half· 13.11 mi
10:42/mi
2:16:49
↑ 19↓ 370.5%
25K· 15.53 mi
10:55/mi
2:43:16
↑ 66↓ 880.2%
30K· 18.64 mi
12:24/mi
3:21:49
↑ 181↓ 1480.2%
20M
11:52/mi
3:37:56
↑ 64↓ 500.2%
21M
13:11/mi
3:51:07
↑ 106↓ 241.6%
35K· 21.75 mi
12:47/mi
4:00:41
↑ 17↓ 861.7%
23M
12:44/mi
4:16:37
↑ 23↓ 630.6%
24M
11:50/mi
4:28:27
↓ 821.3%
40K· 24.85 mi
12:30/mi
4:39:08
↓ 200.3%
25.2M
12:14/mi
4:43:21
↑ 13↓ 160.2%
Finish· 26.22 mi
9:24/mi
4:52:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:49
Pace10:26 /mi
2nd Half
Distance13.11 mi
Time2:36:07
Pace11:55 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:4832:0610:2032:06
10:20
-
10K
6.21 mi12:28:541:04:1210:2032:06
10:20
0:00
15K
9.32 mi13:01:321:36:5010:2332:38
10:30
+0:10
20K
12.43 mi13:34:132:09:3110:2532:41
10:31
+0:01
Half
13.11 mi13:41:312:16:4910:267:18
10:42
+0:11
25K
15.53 mi14:07:582:43:1610:3126:27
10:55
+0:13
30K
18.64 mi14:46:313:21:4910:5038:33
12:24
+1:29
20M
20.00 mi15:02:383:37:5610:5416:07
11:52
-0:32
21M
21.00 mi15:15:493:51:0711:0013:11
13:11
+1:19
35K
21.75 mi15:25:234:00:4111:049:34
12:47
-0:24
23M
23.00 mi15:41:194:16:3711:0915:56
12:44
-0:03
24M
24.00 mi15:53:094:28:2711:1111:50
11:50
-0:54
40K
24.85 mi16:03:504:39:0811:1410:41
12:30
+0:40
25.2M
25.20 mi16:08:034:43:2111:154:13
12:14
-0:16
Finish
26.22 mi16:17:384:52:5611:119:35
9:24
-2:50

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

9:24 /mi

Average Pace

11:11 /mi

Slowest Pace

13:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:51

59% of race

Time at Steady Pace

32:10

11% of race

Time at Slower Pace

1:27:55

30% of race

Average Pace: 11:10 /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 mi11:56:4832:0610:2032:06
10:20
#26364
10K
6.21 mi12:28:541:04:1210:2032:06
10:20
#26141
15K
9.32 mi13:01:321:36:5010:2332:38
10:30
#26066
20K
12.43 mi13:34:132:09:3110:2532:41
10:31
#25842
Half
13.11 mi13:41:312:16:4910:267:18
10:42
#25864
25K
15.53 mi14:07:582:43:1610:3126:27
10:55
#25697
30K
18.64 mi14:46:313:21:4910:5038:33
12:24
#25799
20M
20.00 mi15:02:383:37:5610:5416:07
11:52
#25740
21M
21.00 mi15:15:493:51:0711:0013:11
13:11
#25737
35K
21.75 mi15:25:234:00:4111:049:34
12:47
#25792
23M
23.00 mi15:41:194:16:3711:0915:56
12:44
#25839
24M
24.00 mi15:53:094:28:2711:1111:50
11:50
#25825
40K
24.85 mi16:03:504:39:0811:1410:41
12:30
#25846
25.2M
25.20 mi16:08:034:43:2111:154:13
12:14
#25818
Finish
26.22 mi16:17:384:52:5611:119:35
9:24
#25721
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26364109551095525940(Top 91%)10756(Top 88%)10756(Top 197%)
10K6.21 mi3.10 mi26141+22310848+10710848+10725971(Top 91%)10775(Top 88%)10775(Top 197%)
15K9.32 mi3.11 mi26066+7510816+3210816+3225940(Top 91%)10756(Top 88%)10756(Top 197%)
20K12.43 mi3.11 mi25842+22410702+11410702+11425212(Top 89%)10382(Top 85%)10382(Top 190%)
Half13.11 mi0.68 mi25864-2210714-1210714-1226079(Top 92%)10873(Top 89%)10873(Top 199%)
25K15.53 mi2.42 mi25697+16710630+8410630+8425071(Top 88%)10332(Top 84%)10332(Top 189%)
30K18.64 mi3.11 mi25799-10210720-9010720-9026069(Top 92%)10976(Top 90%)10976(Top 201%)
20M20.00 mi1.36 mi25740+5910699+2110699+2125063(Top 88%)10512(Top 86%)10512(Top 192%)
21M21.00 mi1.00 mi25737+310712-1310712-1325282(Top 89%)10711(Top 88%)10711(Top 196%)
35K21.75 mi0.75 mi25792-5510744-3210744-3226763(Top 94%)11468(Top 94%)11468(Top 210%)
23M23.00 mi1.25 mi25839-4710776-3210776-3226061(Top 92%)11122(Top 91%)11122(Top 203%)
24M24.00 mi1.00 mi25825+1410782-610782-625446(Top 90%)10853(Top 89%)10853(Top 198%)
40K24.85 mi0.85 mi25846-2110802-2010802-2025644(Top 90%)10967(Top 90%)10967(Top 201%)
25.2M25.20 mi0.35 mi25818+2810797+510797+523613(Top 83%)9990(Top 82%)9990(Top 183%)
Finish26.22 mi1.02 mi25721+9710758+3910758+3920796(Top 73%)8565(Top 70%)8565(Top 157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25940

Females

10756

F18-39

10756

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25971

Females

10775

F18-39

10775

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25940

Females

10756

F18-39

10756

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

25212

Females

10382

F18-39

10382

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26079

Females

10873

F18-39

10873

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

25071

Females

10332

F18-39

10332

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

26069

Females

10976

F18-39

10976

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

25063

Females

10512

F18-39

10512

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25282

Females

10711

F18-39

10711

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

26763

Females

11468

F18-39

11468

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26061

Females

11122

F18-39

11122

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

25446

Females

10853

F18-39

10853

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25644

Females

10967

F18-39

10967

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23613

Females

9990

F18-39

9990

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

20796

Females

8565

F18-39

8565

Passing Analysis

Category:
Athletes Passed
1338
Passed By
695
Net Change
+643
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26364
5K → 10K29673+223#26364#26141
10K → 15K15782+75#26141#26066
15K → 20K25430+224#26066#25842
20K → Half1234-22#25842#25864
Half → 25K18720+167#25864#25697
25K → 30K77179-102#25697#25799
30K → 20M8324+59#25799#25740
20M → 21M4845+3#25740#25737
21M → 35K1772-55#25737#25792
35K → 23M2572-47#25792#25839
23M → 24M3622+14#25839#25825
24M → 40K1839-21#25825#25846
40K → 25.2M302+28#25846#25818
25.2M → Finish981+97#25818#25721
TOTALS1338695+643
📊

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