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BOSTON MARATHON 2025

Elizabeth Stirling

Bib: 16168•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 36%
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
8:06/mi
25:10
↑ 97↓ 3451.5%
10K· 6.21 mi
8:00/mi
50:02
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:14:55
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:39:46
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:45:17
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
2:04:40
↑ 66↓ 880.2%
30K· 18.64 mi
8:17/mi
2:30:24
↑ 181↓ 1480.2%
20M
8:22/mi
2:41:46
↑ 64↓ 500.2%
21M
8:37/mi
2:50:23
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
2:56:24
↑ 17↓ 861.7%
23M
8:27/mi
3:06:59
↑ 23↓ 630.6%
24M
8:19/mi
3:15:18
↓ 821.3%
40K· 24.85 mi
8:25/mi
3:22:30
↓ 200.3%
25.2M
8:59/mi
3:25:36
↑ 13↓ 160.2%
Finish· 26.22 mi
8:02/mi
3:33:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:17
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:48:30
Pace8:17 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:59:3425:108:0625:10
8:06
-
10K
6.21 mi11:24:2650:028:0324:52
8:00
-0:06
15K
9.32 mi11:49:191:14:558:0224:53
8:01
+0:01
20K
12.43 mi12:14:101:39:468:0224:51
8:00
-0:01
Half
13.11 mi12:19:411:45:178:025:31
8:05
+0:05
25K
15.53 mi12:39:042:04:408:0219:23
8:00
-0:05
30K
18.64 mi13:04:482:30:248:0425:44
8:17
+0:17
20M
20.00 mi13:16:102:41:468:0511:22
8:22
+0:05
21M
21.00 mi13:24:472:50:238:078:37
8:37
+0:15
35K
21.75 mi13:30:482:56:248:076:01
8:03
-0:34
23M
23.00 mi13:41:233:06:598:0810:35
8:27
+0:24
24M
24.00 mi13:49:423:15:188:088:19
8:19
-0:08
40K
24.85 mi13:56:543:22:308:097:12
8:25
+0:06
25.2M
25.20 mi14:00:003:25:368:103:06
8:59
+0:34
Finish
26.22 mi14:08:113:33:478:108:11
8:02
-0:57

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

8:00 /mi

Average Pace

8:10 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:30:41

99% of race

Time at Steady Pace

3:06

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:09 /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 mi10:59:3425:108:0625:10
8:06
#17349
10K
6.21 mi11:24:2650:028:0324:52
8:00
#16922
15K
9.32 mi11:49:191:14:558:0224:53
8:01
#16627
20K
12.43 mi12:14:101:39:468:0224:51
8:00
#16150
Half
13.11 mi12:19:411:45:178:025:31
8:05
#16176
25K
15.53 mi12:39:042:04:408:0219:23
8:00
#15755
30K
18.64 mi13:04:482:30:248:0425:44
8:17
#15278
20M
20.00 mi13:16:102:41:468:0511:22
8:22
#15049
21M
21.00 mi13:24:472:50:238:078:37
8:37
#14770
35K
21.75 mi13:30:482:56:248:076:01
8:03
#14655
23M
23.00 mi13:41:233:06:598:0810:35
8:27
#14523
24M
24.00 mi13:49:423:15:188:088:19
8:19
#14464
40K
24.85 mi13:56:543:22:308:097:12
8:25
#14366
25.2M
25.20 mi14:00:003:25:368:103:06
8:59
#14319
Finish
26.22 mi14:08:113:33:478:108:11
8:02
#14233
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi173495938593816118(Top 57%)5209(Top 43%)5209(Top 95%)
10K6.21 mi3.10 mi16922+4275674+2645674+26416520(Top 58%)5430(Top 44%)5430(Top 99%)
15K9.32 mi3.11 mi16627+2955500+1745500+17416118(Top 57%)5209(Top 43%)5209(Top 95%)
20K12.43 mi3.11 mi16150+4775241+2595241+25914926(Top 53%)4607(Top 38%)4607(Top 84%)
Half13.11 mi0.68 mi16176-265263-225263-2216533(Top 58%)5479(Top 45%)5479(Top 100%)
25K15.53 mi2.42 mi15755+4215026+2375026+23713861(Top 49%)4141(Top 34%)4141(Top 76%)
30K18.64 mi3.11 mi15278+4774812+2144812+21413398(Top 47%)4056(Top 33%)4056(Top 74%)
20M20.00 mi1.36 mi15049+2294729+834729+8312955(Top 46%)3953(Top 32%)3953(Top 72%)
21M21.00 mi1.00 mi14770+2794588+1414588+14111241(Top 40%)3221(Top 26%)3221(Top 59%)
35K21.75 mi0.75 mi14655+1154539+494539+4912588(Top 44%)3951(Top 32%)3951(Top 72%)
23M23.00 mi1.25 mi14523+1324498+414498+4113034(Top 46%)4291(Top 35%)4291(Top 78%)
24M24.00 mi1.00 mi14464+594492+64492+613395(Top 47%)4516(Top 37%)4516(Top 83%)
40K24.85 mi0.85 mi14366+984479+134479+1312958(Top 46%)4420(Top 36%)4420(Top 81%)
25.2M25.20 mi0.35 mi14319+474461+184461+1811822(Top 42%)3898(Top 32%)3898(Top 71%)
Finish26.22 mi1.02 mi14233+864440+214440+2113111(Top 46%)4499(Top 37%)4499(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16118

Females

5209

F18-39

5209

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

16520

Females

5430

F18-39

5430

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16118

Females

5209

F18-39

5209

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

14926

Females

4607

F18-39

4607

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16533

Females

5479

F18-39

5479

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13861

Females

4141

F18-39

4141

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

13398

Females

4056

F18-39

4056

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12955

Females

3953

F18-39

3953

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

11241

Females

3221

F18-39

3221

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

12588

Females

3951

F18-39

3951

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

13034

Females

4291

F18-39

4291

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

13395

Females

4516

F18-39

4516

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12958

Females

4420

F18-39

4420

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11822

Females

3898

F18-39

3898

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

13111

Females

4499

F18-39

4499

Passing Analysis

Category:
Athletes Passed
3647
Passed By
531
Net Change
+3116
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17349
5K → 10K558131+427#17349#16922
10K → 15K36671+295#16922#16627
15K → 20K51134+477#16627#16150
20K → Half2147-26#16150#16176
Half → 25K43110+421#16176#15755
25K → 30K52851+477#15755#15278
30K → 20M24819+229#15278#15049
20M → 21M2889+279#15049#14770
21M → 35K13217+115#14770#14655
35K → 23M16331+132#14655#14523
23M → 24M9839+59#14523#14464
24M → 40K12426+98#14464#14366
40K → 25.2M525+47#14366#14319
25.2M → Finish12741+86#14319#14233
TOTALS3647531+3116
📊

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