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BOSTON MARATHON 2025

Elizabeth Heier

Bib: 28589•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 50%
Masters (Masters Women)
#0 / 6759
Top 39%
Division (F40-44)
#0 / 1718
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
8:36/mi
26:44
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
51:59
↑ 79↓ 1380.4%
15K· 9.32 mi
8:12/mi
1:17:29
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:43:12
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:48:48
↑ 19↓ 370.5%
25K· 15.53 mi
8:30/mi
2:09:24
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:36:43
↑ 181↓ 1480.2%
20M
8:55/mi
2:48:50
↑ 64↓ 500.2%
21M
9:28/mi
2:58:18
↑ 106↓ 241.6%
35K· 21.75 mi
8:43/mi
3:04:49
↑ 17↓ 861.7%
23M
9:11/mi
3:16:19
↑ 23↓ 630.6%
24M
8:47/mi
3:25:06
↓ 821.3%
40K· 24.85 mi
9:06/mi
3:32:53
↓ 200.3%
25.2M
10:00/mi
3:36:20
↑ 13↓ 160.2%
Finish· 26.22 mi
8:30/mi
3:45:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:48
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:56:12
Pace8:52 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3126:448:3626:44
8:36
-
10K
6.21 mi12:08:4651:598:2225:15
8:08
-0:28
15K
9.32 mi12:34:161:17:298:1925:30
8:12
+0:04
20K
12.43 mi12:59:591:43:128:1825:43
8:17
+0:05
Half
13.11 mi13:05:351:48:488:185:36
8:12
-0:05
25K
15.53 mi13:26:112:09:248:2020:36
8:30
+0:18
30K
18.64 mi13:53:302:36:438:2427:19
8:48
+0:18
20M
20.00 mi14:05:372:48:508:2612:07
8:55
+0:07
21M
21.00 mi14:15:052:58:188:299:28
9:28
+0:33
35K
21.75 mi14:21:363:04:498:306:31
8:43
-0:45
23M
23.00 mi14:33:063:16:198:3211:30
9:11
+0:28
24M
24.00 mi14:41:533:25:068:338:47
8:47
-0:24
40K
24.85 mi14:49:403:32:538:347:47
9:06
+0:19
25.2M
25.20 mi14:53:073:36:208:353:27
10:00
+0:54
Finish
26.22 mi15:01:473:45:008:358:40
8:30
-1:30

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

8:08 /mi

Average Pace

8:35 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:04

36% of race

Time at Steady Pace

1:50:44

49% of race

Time at Slower Pace

32:12

14% of race

Average Pace: 8:35 /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 mi11:43:3126:448:3626:44
8:36
#20484
10K
6.21 mi12:08:4651:598:2225:15
8:08
#19038
15K
9.32 mi12:34:161:17:298:1925:30
8:12
#18482
20K
12.43 mi12:59:591:43:128:1825:43
8:17
#18026
Half
13.11 mi13:05:351:48:488:185:36
8:12
#17978
25K
15.53 mi13:26:112:09:248:2020:36
8:30
#17780
30K
18.64 mi13:53:302:36:438:2427:19
8:48
#17516
20M
20.00 mi14:05:372:48:508:2612:07
8:55
#17402
21M
21.00 mi14:15:052:58:188:299:28
9:28
#17296
35K
21.75 mi14:21:363:04:498:306:31
8:43
#17267
23M
23.00 mi14:33:063:16:198:3211:30
9:11
#17264
24M
24.00 mi14:41:533:25:068:338:47
8:47
#17194
40K
24.85 mi14:49:403:32:538:347:47
9:06
#17173
25.2M
25.20 mi14:53:073:36:208:353:27
10:00
#17177
Finish
26.22 mi15:01:473:45:008:358:40
8:30
#17141
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi204847792779217444(Top 61%)5981(Top 49%)5981(Top 348%)
10K6.21 mi3.10 mi19038+14466926+8666926+86617411(Top 61%)5946(Top 49%)5946(Top 346%)
15K9.32 mi3.11 mi18482+5566614+3126614+31217444(Top 61%)5981(Top 49%)5981(Top 348%)
20K12.43 mi3.11 mi18026+4566346+2686346+26816816(Top 59%)5677(Top 46%)5677(Top 330%)
Half13.11 mi0.68 mi17978+486324+226324+2217379(Top 61%)5978(Top 49%)5978(Top 348%)
25K15.53 mi2.42 mi17780+1986223+1016223+10117191(Top 61%)5968(Top 49%)5968(Top 347%)
30K18.64 mi3.11 mi17516+2646131+926131+9216575(Top 58%)5791(Top 47%)5791(Top 337%)
20M20.00 mi1.36 mi17402+1146084+476084+4716360(Top 58%)5808(Top 47%)5808(Top 338%)
21M21.00 mi1.00 mi17296+1066054+306054+3015952(Top 56%)5685(Top 46%)5685(Top 331%)
35K21.75 mi0.75 mi17267+296057-36057-316781(Top 59%)6205(Top 51%)6205(Top 361%)
23M23.00 mi1.25 mi17264+36094-376094-3717276(Top 61%)6592(Top 54%)6592(Top 384%)
24M24.00 mi1.00 mi17194+706072+226072+2216250(Top 57%)6076(Top 50%)6076(Top 354%)
40K24.85 mi0.85 mi17173+216087-156087-1516901(Top 60%)6532(Top 53%)6532(Top 380%)
25.2M25.20 mi0.35 mi17177-46099-126099-1217096(Top 60%)6634(Top 54%)6634(Top 386%)
Finish26.22 mi1.02 mi17141+366097+26097+216273(Top 57%)6177(Top 51%)6177(Top 360%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17444

Females

5981

F40-44

5981

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17411

Females

5946

F40-44

5946

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17444

Females

5981

F40-44

5981

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16816

Females

5677

F40-44

5677

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17379

Females

5978

F40-44

5978

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17191

Females

5968

F40-44

5968

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16575

Females

5791

F40-44

5791

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16360

Females

5808

F40-44

5808

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

15952

Females

5685

F40-44

5685

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

16781

Females

6205

F40-44

6205

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17276

Females

6592

F40-44

6592

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

16250

Females

6076

F40-44

6076

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16901

Females

6532

F40-44

6532

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17096

Females

6634

F40-44

6634

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

16273

Females

6177

F40-44

6177

Passing Analysis

Category:
Athletes Passed
4021
Passed By
678
Net Change
+3343
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20484
5K → 10K145913+1446#20484#19038
10K → 15K58226+556#19038#18482
15K → 20K48327+456#18482#18026
20K → Half6113+48#18026#17978
Half → 25K26163+198#17978#17780
25K → 30K35490+264#17780#17516
30K → 20M16551+114#17516#17402
20M → 21M15852+106#17402#17296
21M → 35K8051+29#17296#17267
35K → 23M115112+3#17267#17264
23M → 24M11545+70#17264#17194
24M → 40K7352+21#17194#17173
40K → 25.2M3135-4#17173#17177
25.2M → Finish8448+36#17177#17141
TOTALS4021678+3343
📊

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