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BOSTON MARATHON 2025

Erin Davies

Bib: 14638•F

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 20%
Division (F18-39)
#0 / 5469
Top 35%
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
6:54/mi
21:27
↑ 97↓ 3451.5%
10K· 6.21 mi
6:45/mi
42:26
↑ 79↓ 1380.4%
15K· 9.32 mi
6:56/mi
1:03:57
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:27:22
↑ 106↓ 860.1%
Half· 13.11 mi
7:24/mi
1:32:25
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
1:51:27
↑ 66↓ 880.2%
30K· 18.64 mi
8:49/mi
2:18:50
↑ 181↓ 1480.2%
20M
7:41/mi
2:29:17
↑ 64↓ 500.2%
21M
8:14/mi
2:37:31
↑ 106↓ 241.6%
35K· 21.75 mi
7:40/mi
2:43:15
↑ 17↓ 861.7%
23M
8:05/mi
2:53:22
↑ 23↓ 630.6%
24M
8:34/mi
3:01:56
↓ 821.3%
40K· 24.85 mi
9:26/mi
3:10:00
↓ 200.3%
25.2M
10:44/mi
3:13:42
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:21:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:25
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:48:52
Pace8:18 /mi
📊Positive Split: 17.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:1021:276:5421:27
6:54
-
10K
6.21 mi11:34:0942:266:5020:59
6:45
-0:09
15K
9.32 mi11:55:401:03:576:5221:31
6:56
+0:11
20K
12.43 mi12:19:051:27:227:0223:25
7:32
+0:36
Half
13.11 mi12:24:081:32:257:035:03
7:24
-0:08
25K
15.53 mi12:43:101:51:277:1019:02
7:51
+0:27
30K
18.64 mi13:10:332:18:507:2727:23
8:49
+0:58
20M
20.00 mi13:21:002:29:177:2810:27
7:41
-1:08
21M
21.00 mi13:29:142:37:317:308:14
8:14
+0:33
35K
21.75 mi13:34:582:43:157:305:44
7:40
-0:34
23M
23.00 mi13:45:052:53:227:3210:07
8:05
+0:25
24M
24.00 mi13:53:393:01:567:358:34
8:34
+0:29
40K
24.85 mi14:01:433:10:007:398:04
9:26
+0:52
25.2M
25.20 mi14:05:253:13:427:413:42
10:44
+1:18
Finish
26.22 mi14:13:003:21:177:417:35
7:26
-3:18

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

6:45 /mi

Average Pace

7:41 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:57

32% of race

Time at Steady Pace

1:21:23

40% of race

Time at Slower Pace

55:57

28% of race

Average Pace: 7:41 /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 mi11:13:1021:276:5421:27
6:54
#7124
10K
6.21 mi11:34:0942:266:5020:59
6:45
#6576
15K
9.32 mi11:55:401:03:576:5221:31
6:56
#6774
20K
12.43 mi12:19:051:27:227:0223:25
7:32
#7696
Half
13.11 mi12:24:081:32:257:035:03
7:24
#7831
25K
15.53 mi12:43:101:51:277:1019:02
7:51
#8468
30K
18.64 mi13:10:332:18:507:2727:23
8:49
#10128
20M
20.00 mi13:21:002:29:177:2810:27
7:41
#9911
21M
21.00 mi13:29:142:37:317:308:14
8:14
#9806
35K
21.75 mi13:34:582:43:157:305:44
7:40
#9805
23M
23.00 mi13:45:052:53:227:3210:07
8:05
#9825
24M
24.00 mi13:53:393:01:567:358:34
8:34
#10072
40K
24.85 mi14:01:433:10:007:398:04
9:26
#10442
25.2M
25.20 mi14:05:253:13:427:413:42
10:44
#10626
Finish
26.22 mi14:13:003:21:177:417:35
7:26
#10516
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi71247147147142(Top 25%)774(Top 6%)774(Top 14%)
10K6.21 mi3.10 mi6576+548593+121593+1215913(Top 21%)493(Top 4%)493(Top 9%)
15K9.32 mi3.11 mi6774-198658-65658-657142(Top 25%)774(Top 6%)774(Top 14%)
20K12.43 mi3.11 mi7696-922912-254912-25411086(Top 39%)2517(Top 21%)2517(Top 46%)
Half13.11 mi0.68 mi7831-135966-54966-5410964(Top 39%)2406(Top 20%)2406(Top 44%)
25K15.53 mi2.42 mi8468-6371229-2631229-26312752(Top 45%)3523(Top 29%)3523(Top 64%)
30K18.64 mi3.11 mi10128-16602027-7982027-79816679(Top 59%)5844(Top 48%)5844(Top 107%)
20M20.00 mi1.36 mi9911+2171947+801947+808320(Top 29%)1684(Top 14%)1684(Top 31%)
21M21.00 mi1.00 mi9806+1051935+121935+128816(Top 31%)2082(Top 17%)2082(Top 38%)
35K21.75 mi0.75 mi9805+11960-251960-259832(Top 35%)2524(Top 21%)2524(Top 46%)
23M23.00 mi1.25 mi9825-202021-612021-6110627(Top 37%)3045(Top 25%)3045(Top 56%)
24M24.00 mi1.00 mi10072-2472179-1582179-15814944(Top 53%)5339(Top 44%)5339(Top 98%)
40K24.85 mi0.85 mi10442-3702386-2072386-20718439(Top 65%)7347(Top 60%)7347(Top 134%)
25.2M25.20 mi0.35 mi10626-1842499-1132499-11319823(Top 70%)8051(Top 66%)8051(Top 147%)
Finish26.22 mi1.02 mi10516+1102484+152484+158810(Top 31%)2448(Top 20%)2448(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

7142

Females

774

F18-39

774

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5913

Females

493

F18-39

493

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

7142

Females

774

F18-39

774

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

11086

Females

2517

F18-39

2517

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10964

Females

2406

F18-39

2406

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12752

Females

3523

F18-39

3523

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16679

Females

5844

F18-39

5844

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

8320

Females

1684

F18-39

1684

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8816

Females

2082

F18-39

2082

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9832

Females

2524

F18-39

2524

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

10627

Females

3045

F18-39

3045

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14944

Females

5339

F18-39

5339

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18439

Females

7347

F18-39

7347

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

19823

Females

8051

F18-39

8051

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8810

Females

2448

F18-39

2448

Passing Analysis

Category:
Athletes Passed
1490*
Passed By
4878
Net Change
-3392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7124
5K → 10K57628+548#7124#6576
10K → 15K90288-198#6576#6774
15K → 20K20942-922#6774#7696
20K → Half3138-135#7696#7831
Half → 25K25662-637#7831#8468
25K → 30K261684-1660#8468#10128
30K → 20M236*19+217#10128#9911
20M → 21M15045+105#9911#9806
21M → 35K6665+1#9806#9805
35K → 23M98118-20#9805#9825
23M → 24M34279-247#9825#10072
24M → 40K25395-370#10072#10442
40K → 25.2M7191-184#10442#10626
25.2M → Finish13424+110#10626#10516
TOTALS1490*4878-3392

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

📊

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