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BOSTON MARATHON 2025

Liz Healy

Bib: 19711•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 40%
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
7:51/mi
24:23
↑ 97↓ 3451.5%
10K· 6.21 mi
7:50/mi
48:43
↑ 79↓ 1380.4%
15K· 9.32 mi
7:58/mi
1:13:29
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:38:50
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:44:19
↑ 19↓ 370.5%
25K· 15.53 mi
8:32/mi
2:05:00
↑ 66↓ 880.2%
30K· 18.64 mi
8:32/mi
2:31:31
↑ 181↓ 1480.2%
20M
8:45/mi
2:43:25
↑ 64↓ 500.2%
21M
9:13/mi
2:52:38
↑ 106↓ 241.6%
35K· 21.75 mi
8:17/mi
2:58:50
↑ 17↓ 861.7%
23M
8:33/mi
3:09:32
↑ 23↓ 630.6%
24M
8:15/mi
3:17:47
↓ 821.3%
40K· 24.85 mi
8:29/mi
3:25:02
↓ 200.3%
25.2M
9:28/mi
3:28:18
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
3:36:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:19
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:52:16
Pace8:34 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2924:237:5124:23
7:51
-
10K
6.21 mi11:40:4948:437:5024:20
7:50
-0:01
15K
9.32 mi12:05:351:13:297:5324:46
7:58
+0:08
20K
12.43 mi12:30:561:38:507:5725:21
8:10
+0:12
Half
13.11 mi12:36:251:44:197:575:29
8:02
-0:08
25K
15.53 mi12:57:062:05:008:0320:41
8:32
+0:30
30K
18.64 mi13:23:372:31:318:0826:31
8:32
0:00
20M
20.00 mi13:35:312:43:258:1011:54
8:45
+0:13
21M
21.00 mi13:44:442:52:388:139:13
9:13
+0:28
35K
21.75 mi13:50:562:58:508:136:12
8:17
-0:56
23M
23.00 mi14:01:383:09:328:1410:42
8:33
+0:16
24M
24.00 mi14:09:533:17:478:148:15
8:15
-0:18
40K
24.85 mi14:17:083:25:028:157:15
8:29
+0:14
25.2M
25.20 mi14:20:243:28:188:163:16
9:28
+0:59
Finish
26.22 mi14:28:413:36:358:168:17
8:08
-1:20

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

7:50 /mi

Average Pace

8:16 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:58

36% of race

Time at Steady Pace

55:20

26% of race

Time at Slower Pace

1:22:17

38% of race

Average Pace: 8:16 /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 mi11:16:2924:237:5124:23
7:51
#15224
10K
6.21 mi11:40:4948:437:5024:20
7:50
#15143
15K
9.32 mi12:05:351:13:297:5324:46
7:58
#15356
20K
12.43 mi12:30:561:38:507:5725:21
8:10
#15565
Half
13.11 mi12:36:251:44:197:575:29
8:02
#15603
25K
15.53 mi12:57:062:05:008:0320:41
8:32
#15938
30K
18.64 mi13:23:372:31:318:0826:31
8:32
#15729
20M
20.00 mi13:35:312:43:258:1011:54
8:45
#15629
21M
21.00 mi13:44:442:52:388:139:13
9:13
#15536
35K
21.75 mi13:50:562:58:508:136:12
8:17
#15485
23M
23.00 mi14:01:383:09:328:1410:42
8:33
#15319
24M
24.00 mi14:09:533:17:478:148:15
8:15
#15191
40K
24.85 mi14:17:083:25:028:157:15
8:29
#15104
25.2M
25.20 mi14:20:243:28:188:163:16
9:28
#15074
Finish
26.22 mi14:28:413:36:358:168:17
8:08
#14989
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 mi152244670467015809(Top 56%)5046(Top 41%)5046(Top 92%)
10K6.21 mi3.10 mi15143+814635+354635+3515089(Top 53%)4592(Top 38%)4592(Top 84%)
15K9.32 mi3.11 mi15356-2134764-1294764-12915809(Top 56%)5046(Top 41%)5046(Top 92%)
20K12.43 mi3.11 mi15565-2094905-1414905-14116031(Top 56%)5233(Top 43%)5233(Top 96%)
Half13.11 mi0.68 mi15603-384935-304935-3016117(Top 57%)5276(Top 43%)5276(Top 96%)
25K15.53 mi2.42 mi15938-3355129-1945129-19417390(Top 61%)6079(Top 50%)6079(Top 111%)
30K18.64 mi3.11 mi15729+2095074+555074+5514961(Top 53%)4886(Top 40%)4886(Top 89%)
20M20.00 mi1.36 mi15629+1005055+195055+1915389(Top 54%)5267(Top 43%)5267(Top 96%)
21M21.00 mi1.00 mi15536+935038+175038+1714677(Top 52%)4994(Top 41%)4994(Top 91%)
35K21.75 mi0.75 mi15485+515019+195019+1914129(Top 50%)4764(Top 39%)4764(Top 87%)
23M23.00 mi1.25 mi15319+1664967+524967+5213566(Top 48%)4572(Top 37%)4572(Top 84%)
24M24.00 mi1.00 mi15191+1284919+484919+4812862(Top 45%)4261(Top 35%)4261(Top 78%)
40K24.85 mi0.85 mi15104+874900+194900+1913248(Top 47%)4589(Top 38%)4589(Top 84%)
25.2M25.20 mi0.35 mi15074+304896+44896+414314(Top 50%)5228(Top 43%)5228(Top 96%)
Finish26.22 mi1.02 mi14989+854871+254871+2513744(Top 48%)4839(Top 40%)4839(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

15809

Females

5046

F18-39

5046

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

15089

Females

4592

F18-39

4592

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

15809

Females

5046

F18-39

5046

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

16031

Females

5233

F18-39

5233

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16117

Females

5276

F18-39

5276

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17390

Females

6079

F18-39

6079

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14961

Females

4886

F18-39

4886

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

15389

Females

5267

F18-39

5267

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14677

Females

4994

F18-39

4994

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14129

Females

4764

F18-39

4764

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

13566

Females

4572

F18-39

4572

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12862

Females

4261

F18-39

4261

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13248

Females

4589

F18-39

4589

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14314

Females

5228

F18-39

5228

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

13744

Females

4839

F18-39

4839

Passing Analysis

Category:
Athletes Passed
2100
Passed By
1865
Net Change
+235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15224
5K → 10K332251+81#15224#15143
10K → 15K142355-213#15143#15356
15K → 20K148357-209#15356#15565
20K → Half2361-38#15565#15603
Half → 25K97432-335#15603#15938
25K → 30K331122+209#15938#15729
30K → 20M17272+100#15729#15629
20M → 21M15461+93#15629#15536
21M → 35K7827+51#15536#15485
35K → 23M20034+166#15485#15319
23M → 24M14719+128#15319#15191
24M → 40K11225+87#15191#15104
40K → 25.2M4717+30#15104#15074
25.2M → Finish11732+85#15074#14989
TOTALS21001865+235
📊

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