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BOSTON MARATHON 2024

Erin Duffey

Bib: 26400•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered 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
10:04/mi
31:17
↑ 97↓ 3451.5%
10K· 6.21 mi
9:29/mi
1:00:44
↑ 79↓ 1380.4%
15K· 9.32 mi
9:29/mi
1:30:13
↑ 67↓ 78
20K· 12.43 mi
10:28/mi
2:02:45
↑ 106↓ 860.1%
Half· 13.11 mi
9:43/mi
2:09:23
↑ 19↓ 370.5%
25K· 15.53 mi
10:02/mi
2:33:43
↑ 66↓ 880.2%
30K· 18.64 mi
11:38/mi
3:09:52
↑ 181↓ 1480.2%
20M
11:38/mi
3:25:41
↑ 64↓ 500.2%
21M
12:17/mi
3:37:58
↑ 106↓ 241.6%
35K· 21.75 mi
10:44/mi
3:46:00
↑ 17↓ 861.7%
23M
11:31/mi
4:00:25
↑ 23↓ 630.6%
24M
11:06/mi
4:11:31
↓ 821.3%
40K· 24.85 mi
11:34/mi
4:21:24
↓ 200.3%
25.2M
13:44/mi
4:26:08
↑ 13↓ 160.2%
Finish· 26.22 mi
10:37/mi
4:36:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:23
Pace9:52 /mi
2nd Half
Distance13.11 mi
Time2:27:34
Pace11:15 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1731:1710:0431:17
10:04
-
10K
6.21 mi12:17:441:00:449:4629:27
9:29
-0:35
15K
9.32 mi12:47:131:30:139:4129:29
9:29
0:00
20K
12.43 mi13:19:452:02:459:5332:32
10:28
+0:59
Half
13.11 mi13:26:232:09:239:526:38
9:43
-0:45
25K
15.53 mi13:50:432:33:439:5424:20
10:02
+0:19
30K
18.64 mi14:26:523:09:5210:1136:09
11:38
+1:36
20M
20.00 mi14:42:413:25:4110:1715:49
11:38
0:00
21M
21.00 mi14:54:583:37:5810:2312:17
12:17
+0:39
35K
21.75 mi15:03:003:46:0010:248:02
10:44
-1:33
23M
23.00 mi15:17:254:00:2510:2714:25
11:31
+0:47
24M
24.00 mi15:28:314:11:3110:2911:06
11:06
-0:25
40K
24.85 mi15:38:244:21:2410:319:53
11:34
+0:28
25.2M
25.20 mi15:43:084:26:0810:344:44
13:44
+2:10
Finish
26.22 mi15:53:574:36:5710:3410:49
10:37
-3:07

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

9:29 /mi

Average Pace

10:34 /mi

Slowest Pace

13:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:11

44% of race

Time at Steady Pace

1:02:29

23% of race

Time at Slower Pace

1:33:17

34% of race

Average Pace: 10:34 /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 mi11:48:1731:1710:0431:17
10:04
#23138
10K
6.21 mi12:17:441:00:449:4629:27
9:29
#22258
15K
9.32 mi12:47:131:30:139:4129:29
9:29
#21710
20K
12.43 mi13:19:452:02:459:5332:32
10:28
#21688
Half
13.11 mi13:26:232:09:239:526:38
9:43
#21623
25K
15.53 mi13:50:432:33:439:5424:20
10:02
#21204
30K
18.64 mi14:26:523:09:5210:1136:09
11:38
#21214
20M
20.00 mi14:42:413:25:4110:1715:49
11:38
#21173
21M
21.00 mi14:54:583:37:5810:2312:17
12:17
#21084
35K
21.75 mi15:03:003:46:0010:248:02
10:44
#21012
23M
23.00 mi15:17:254:00:2510:2714:25
11:31
#20926
24M
24.00 mi15:28:314:11:3110:2911:06
11:06
#20852
40K
24.85 mi15:38:244:21:2410:319:53
11:34
#20805
25.2M
25.20 mi15:43:084:26:0810:344:44
13:44
#20798
Finish
26.22 mi15:53:574:36:5710:3410:49
10:37
#20767
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi231389463946320636(Top 81%)8120(Top 74%)8120(Top 174%)
10K6.21 mi3.10 mi22258+8809029+4349029+43421310(Top 83%)8544(Top 78%)8544(Top 183%)
15K9.32 mi3.11 mi21710+5488745+2848745+28420636(Top 81%)8120(Top 74%)8120(Top 174%)
20K12.43 mi3.11 mi21688+228745874521614(Top 85%)8687(Top 80%)8687(Top 186%)
Half13.11 mi0.68 mi21623+658711+348711+3420751(Top 81%)8276(Top 76%)8276(Top 178%)
25K15.53 mi2.42 mi21204+4198486+2258486+22519218(Top 75%)7493(Top 69%)7493(Top 161%)
30K18.64 mi3.11 mi21214-108544-588544-5821289(Top 83%)8788(Top 80%)8788(Top 189%)
20M20.00 mi1.36 mi21173+418555-118555-1120700(Top 81%)8596(Top 79%)8596(Top 184%)
21M21.00 mi1.00 mi21084+898530+258530+2519438(Top 76%)8041(Top 74%)8041(Top 173%)
35K21.75 mi0.75 mi21012+728512+188512+1819212(Top 75%)7939(Top 73%)7939(Top 170%)
23M23.00 mi1.25 mi20926+868496+168496+1619680(Top 77%)8245(Top 75%)8245(Top 177%)
24M24.00 mi1.00 mi20852+748476+208476+2019515(Top 76%)8210(Top 75%)8210(Top 176%)
40K24.85 mi0.85 mi20805+478465+118465+1119484(Top 76%)8252(Top 76%)8252(Top 177%)
25.2M25.20 mi0.35 mi20798+78462+38462+321147(Top 83%)9056(Top 83%)9056(Top 194%)
Finish26.22 mi1.02 mi20767+318466-48466-420343(Top 80%)8649(Top 79%)8649(Top 186%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

20636

Females

8120

F18-39

8120

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

21310

Females

8544

F18-39

8544

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

20636

Females

8120

F18-39

8120

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

21614

Females

8687

F18-39

8687

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

20751

Females

8276

F18-39

8276

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

19218

Females

7493

F18-39

7493

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

21289

Females

8788

F18-39

8788

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

20700

Females

8596

F18-39

8596

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

19438

Females

8041

F18-39

8041

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19212

Females

7939

F18-39

7939

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

19680

Females

8245

F18-39

8245

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

19515

Females

8210

F18-39

8210

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

19484

Females

8252

F18-39

8252

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

21147

Females

9056

F18-39

9056

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

20343

Females

8649

F18-39

8649

Passing Analysis

Category:
Athletes Passed
2981
Passed By
610
Net Change
+2371
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23138
5K → 10K89010+880#23138#22258
10K → 15K56214+548#22258#21710
15K → 20K192170+22#21710#21688
20K → Half7611+65#21688#21623
Half → 25K4256+419#21623#21204
25K → 30K168178-10#21204#21214
30K → 20M9756+41#21214#21173
20M → 21M12233+89#21173#21084
21M → 35K819+72#21084#21012
35K → 23M11731+86#21012#20926
23M → 24M9420+74#20926#20852
24M → 40K6821+47#20852#20805
40K → 25.2M3023+7#20805#20798
25.2M → Finish5928+31#20798#20767
TOTALS2981610+2371
📊

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