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BOSTON MARATHON 2025

Danielle Eron

Bib: 16402•F

TN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 31%
Gender (Female)
#0 / 12228
Top 14%
Division (F18-39)
#0 / 5469
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:11
Rank: #8996
Start → 5K
22:11 | 7:08/mi
10K· 6.21 mi
45:01
Rank: #9840 (-844)
5K → 10K
22:50 | 7:21/mi
15K· 9.32 mi
1:08:03
Rank: #10213 (-373)
10K → 15K
23:02 | 7:25/mi
20K· 12.43 mi
1:31:09
Rank: #10174 (+39)
15K → 20K
23:06 | 7:26/mi
Half· 13.11 mi
1:36:10
Rank: #10185 (-11)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:54:17
Rank: #10072 (+113)
Half → 25K
18:07 | 7:28/mi
30K· 18.64 mi
2:17:52
Rank: #9672 (+400)
25K → 30K
23:35 | 7:35/mi
20M
2:28:25
Rank: #9561 (+111)
30K → 20M
10:33 | 7:46/mi
21M
2:36:25
Rank: #9390 (+171)
20M → 21M
8:00 | 8:00/mi
35K· 21.75 mi
2:41:58
Rank: #9317 (+73)
21M → 35K
5:33 | 7:25/mi
23M
2:51:34
Rank: #9140 (+177)
35K → 23M
9:36 | 7:40/mi
24M
2:59:09
Rank: #9072 (+68)
23M → 24M
7:35 | 7:35/mi
40K· 24.85 mi
3:05:40
Rank: #8973 (+99)
24M → 40K
6:31 | 7:37/mi
25.2M
3:08:30
Rank: #8930 (+43)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:15:50
Rank: #8819 (+111)
25.2M → Finish
7:20 | 7:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:10
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:39:40
Pace7:36 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3022:117:0822:11
7:08
-
10K
6.21 mi11:18:2045:017:1522:50
7:21
+0:13
15K
9.32 mi11:41:221:08:037:1823:02
7:25
+0:04
20K
12.43 mi12:04:281:31:097:2023:06
7:26
+0:01
Half
13.11 mi12:09:291:36:107:205:01
7:21
-0:05
25K
15.53 mi12:27:361:54:177:2118:07
7:28
+0:07
30K
18.64 mi12:51:112:17:527:2423:35
7:35
+0:07
20M
20.00 mi13:01:442:28:257:2510:33
7:46
+0:11
21M
21.00 mi13:09:442:36:257:278:00
8:00
+0:14
35K
21.75 mi13:15:172:41:587:275:33
7:25
-0:35
23M
23.00 mi13:24:532:51:347:289:36
7:40
+0:15
24M
24.00 mi13:32:282:59:097:287:35
7:35
-0:05
40K
24.85 mi13:38:593:05:407:286:31
7:37
+0:02
25.2M
25.20 mi13:41:493:08:307:292:50
8:13
+0:36
Finish
26.22 mi13:49:093:15:507:287:20
7:12
-1:01

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

7:08 /mi

Average Pace

7:28 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:00

94% of race

Time at Steady Pace

10:50

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:28 /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 mi10:55:3022:117:0822:11
7:08
#8996
10K
6.21 mi11:18:2045:017:1522:50
7:21
#9840
15K
9.32 mi11:41:221:08:037:1823:02
7:25
#10213
20K
12.43 mi12:04:281:31:097:2023:06
7:26
#10174
Half
13.11 mi12:09:291:36:107:205:01
7:21
#10185
25K
15.53 mi12:27:361:54:177:2118:07
7:28
#10072
30K
18.64 mi12:51:112:17:527:2423:35
7:35
#9672
20M
20.00 mi13:01:442:28:257:2510:33
7:46
#9561
21M
21.00 mi13:09:442:36:257:278:00
8:00
#9390
35K
21.75 mi13:15:172:41:587:275:33
7:25
#9317
23M
23.00 mi13:24:532:51:347:289:36
7:40
#9140
24M
24.00 mi13:32:282:59:097:287:35
7:35
#9072
40K
24.85 mi13:38:593:05:407:286:31
7:37
#8973
25.2M
25.20 mi13:41:493:08:307:292:50
8:13
#8930
Finish
26.22 mi13:49:093:15:507:287:20
7:12
#8819
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi89961372137211003(Top 39%)2372(Top 19%)2372(Top 43%)
10K6.21 mi3.10 mi9840-8441726-3541726-35410751(Top 38%)2182(Top 18%)2182(Top 40%)
15K9.32 mi3.11 mi10213-3731937-2111937-21111003(Top 39%)2372(Top 19%)2372(Top 43%)
20K12.43 mi3.11 mi10174+391946-91946-910207(Top 36%)2056(Top 17%)2056(Top 38%)
Half13.11 mi0.68 mi10185-111958-121958-1210502(Top 37%)2167(Top 18%)2167(Top 40%)
25K15.53 mi2.42 mi10072+1131946+121946+129737(Top 34%)1986(Top 16%)1986(Top 36%)
30K18.64 mi3.11 mi9672+4001812+1341812+1348393(Top 30%)1552(Top 13%)1552(Top 28%)
20M20.00 mi1.36 mi9561+1111797+151797+158803(Top 31%)1884(Top 15%)1884(Top 34%)
21M21.00 mi1.00 mi9390+1711746+511746+517368(Top 26%)1463(Top 12%)1463(Top 27%)
35K21.75 mi0.75 mi9317+731735+111735+118092(Top 28%)1718(Top 14%)1718(Top 31%)
23M23.00 mi1.25 mi9140+1771703+321703+327720(Top 27%)1698(Top 14%)1698(Top 31%)
24M24.00 mi1.00 mi9072+681699+41699+48317(Top 29%)2009(Top 16%)2009(Top 37%)
40K24.85 mi0.85 mi8973+99169916997592(Top 27%)1797(Top 15%)1797(Top 33%)
25.2M25.20 mi0.35 mi8930+431701-21701-27222(Top 25%)1738(Top 14%)1738(Top 32%)
Finish26.22 mi1.02 mi8819+1111690+111690+117054(Top 25%)1672(Top 14%)1672(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

11003

Females

2372

F18-39

2372

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10751

Females

2182

F18-39

2182

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

11003

Females

2372

F18-39

2372

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

10207

Females

2056

F18-39

2056

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10502

Females

2167

F18-39

2167

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9737

Females

1986

F18-39

1986

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8393

Females

1552

F18-39

1552

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8803

Females

1884

F18-39

1884

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7368

Females

1463

F18-39

1463

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

8092

Females

1718

F18-39

1718

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7720

Females

1698

F18-39

1698

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8317

Females

2009

F18-39

2009

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7592

Females

1797

F18-39

1797

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7222

Females

1738

F18-39

1738

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

7054

Females

1672

F18-39

1672

Passing Analysis

Category:
Athletes Passed
2050*
Passed By
1869
Net Change
+177
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8996
5K → 10K43886-844#8996#9840
10K → 15K75446-373#9840#10213
15K → 20K192152+39#10213#10174
20K → Half2132-11#10174#10185
Half → 25K19986+113#10185#10072
25K → 30K444*44+400#10072#9672
30K → 20M15544+111#9672#9561
20M → 21M18716+171#9561#9390
21M → 35K9926+73#9390#9317
35K → 23M20023+177#9317#9140
23M → 24M10234+68#9140#9072
24M → 40K13839+99#9072#8973
40K → 25.2M6017+43#8973#8930
25.2M → Finish13524+111#8930#8819
TOTALS2050*1869+177

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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