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BOSTON MARATHON 2024

Danielle O'brien

Bib: 15361•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 14%
Gender (Female)
#0 / 10924
Top 3%
Masters (Masters Women)
#0 / 6263
Top 0.7%
Division (F40-44)
#0 / 1613
Top 2%
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
6:45/mi
20:57
↑ 97↓ 3451.5%
10K· 6.21 mi
6:54/mi
42:23
↑ 79↓ 1380.4%
15K· 9.32 mi
7:03/mi
1:04:16
↑ 67↓ 78
20K· 12.43 mi
7:05/mi
1:26:17
↑ 106↓ 860.1%
Half· 13.11 mi
6:47/mi
1:30:55
↑ 19↓ 370.5%
25K· 15.53 mi
6:58/mi
1:47:49
↑ 66↓ 880.2%
30K· 18.64 mi
7:11/mi
2:10:08
↑ 181↓ 1480.2%
20M
7:13/mi
2:19:56
↑ 64↓ 500.2%
21M
7:44/mi
2:27:40
↑ 106↓ 241.6%
35K· 21.75 mi
6:42/mi
2:32:41
↑ 17↓ 861.7%
23M
7:10/mi
2:41:40
↑ 23↓ 630.6%
24M
6:55/mi
2:48:35
↓ 821.3%
40K· 24.85 mi
7:12/mi
2:54:44
↓ 200.3%
25.2M
7:50/mi
2:57:26
↑ 13↓ 160.2%
Finish· 26.22 mi
6:50/mi
3:04:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:55
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:33:29
Pace7:08 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5820:576:4520:57
6:45
-
10K
6.21 mi11:15:2442:236:4921:26
6:54
+0:09
15K
9.32 mi11:37:171:04:166:5421:53
7:03
+0:09
20K
12.43 mi11:59:181:26:176:5722:01
7:05
+0:02
Half
13.11 mi12:03:561:30:556:564:38
6:47
-0:18
25K
15.53 mi12:20:501:47:496:5616:54
6:58
+0:11
30K
18.64 mi12:43:092:10:086:5922:19
7:11
+0:13
20M
20.00 mi12:52:572:19:567:009:48
7:13
+0:02
21M
21.00 mi13:00:412:27:407:027:44
7:44
+0:31
35K
21.75 mi13:05:422:32:417:015:01
6:42
-1:02
23M
23.00 mi13:14:412:41:407:028:59
7:10
+0:28
24M
24.00 mi13:21:362:48:357:016:55
6:55
-0:15
40K
24.85 mi13:27:452:54:447:026:09
7:12
+0:17
25.2M
25.20 mi13:30:272:57:267:022:42
7:50
+0:38
Finish
26.22 mi13:37:253:04:247:026:58
6:50
-1:00

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

6:42 /mi

Average Pace

7:02 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:58

94% of race

Time at Steady Pace

10:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:02 /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 mi10:53:5820:576:4520:57
6:45
#5184
10K
6.21 mi11:15:2442:236:4921:26
6:54
#5597
15K
9.32 mi11:37:171:04:166:5421:53
7:03
#5910
20K
12.43 mi11:59:181:26:176:5722:01
7:05
#5811
Half
13.11 mi12:03:561:30:556:564:38
6:47
#5738
25K
15.53 mi12:20:501:47:496:5616:54
6:58
#5354
30K
18.64 mi12:43:092:10:086:5922:19
7:11
#4892
20M
20.00 mi12:52:572:19:567:009:48
7:13
#4667
21M
21.00 mi13:00:412:27:407:027:44
7:44
#4503
35K
21.75 mi13:05:422:32:417:015:01
6:42
#4318
23M
23.00 mi13:14:412:41:407:028:59
7:10
#4073
24M
24.00 mi13:21:362:48:357:016:55
6:55
#3896
40K
24.85 mi13:27:452:54:447:026:09
7:12
#3760
25.2M
25.20 mi13:30:272:57:267:022:42
7:50
#3703
Finish
26.22 mi13:37:253:04:247:026:58
6:50
#3592
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi51843853856480(Top 25%)745(Top 7%)745(Top 46%)
10K6.21 mi3.10 mi5597-413467-82467-826005(Top 24%)579(Top 5%)579(Top 36%)
15K9.32 mi3.11 mi5910-313544-77544-776480(Top 25%)745(Top 7%)745(Top 46%)
20K12.43 mi3.11 mi5811+99546-2546-25720(Top 22%)593(Top 5%)593(Top 37%)
Half13.11 mi0.68 mi5738+73533+13533+134514(Top 18%)340(Top 3%)340(Top 21%)
25K15.53 mi2.42 mi5354+384467+66467+664227(Top 17%)335(Top 3%)335(Top 21%)
30K18.64 mi3.11 mi4892+462408+59408+593705(Top 15%)321(Top 3%)321(Top 20%)
20M20.00 mi1.36 mi4667+225383+25383+253210(Top 13%)284(Top 3%)284(Top 18%)
21M21.00 mi1.00 mi4503+164368+15368+153258(Top 13%)338(Top 3%)338(Top 21%)
35K21.75 mi0.75 mi4318+185348+20348+201948(Top 8%)146(Top 1%)146(Top 9%)
23M23.00 mi1.25 mi4073+245327+21327+212505(Top 10%)246(Top 2%)246(Top 15%)
24M24.00 mi1.00 mi3896+177310+17310+172076(Top 8%)197(Top 2%)197(Top 12%)
40K24.85 mi0.85 mi3760+136299+11299+112481(Top 10%)299(Top 3%)299(Top 19%)
25.2M25.20 mi0.35 mi3703+57292+7292+72296(Top 9%)281(Top 3%)281(Top 17%)
Finish26.22 mi1.02 mi3592+111295-3295-32505(Top 10%)345(Top 3%)345(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

6480

Females

745

F40-44

745

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6005

Females

579

F40-44

579

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

6480

Females

745

F40-44

745

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

5720

Females

593

F40-44

593

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

4514

Females

340

F40-44

340

Half→25K

13.1 - 15.5 mi

Top 17%
×4story building
+66ft-88ft

Overall

4227

Females

335

F40-44

335

25K→30K

15.5 - 18.6 mi

Top 15%
×9story building
+181ft-148ft

Overall

3705

Females

321

F40-44

321

30K→20M

18.6 - 20.0 mi

Top 13%
×5story building
+64ft-50ft

Overall

3210

Females

284

F40-44

284

20M→21M

20.0 - 21.0 mi

Top 13%
×8story building
+106ft-24ft

Overall

3258

Females

338

F40-44

338

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

1948

Females

146

F40-44

146

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2505

Females

246

F40-44

246

23M→24M

23.0 - 24.0 mi

Top 8%
×6story building
+12ft-82ft

Overall

2076

Females

197

F40-44

197

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2481

Females

299

F40-44

299

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2296

Females

281

F40-44

281

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2story building
+22ft-21ft

Overall

2505

Females

345

F40-44

345

Passing Analysis

Category:
Athletes Passed
2644
Passed By
1052
Net Change
+1592
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5184
5K → 10K82495-413#5184#5597
10K → 15K60373-313#5597#5910
15K → 20K225126+99#5910#5811
20K → Half741+73#5811#5738
Half → 25K3906+384#5738#5354
25K → 30K48018+462#5354#4892
30K → 20M2327+225#4892#4667
20M → 21M17814+164#4667#4503
21M → 35K1850+185#4503#4318
35K → 23M2505+245#4318#4073
23M → 24M1770+177#4073#3896
24M → 40K1371+136#3896#3760
40K → 25.2M581+57#3760#3703
25.2M → Finish1165+111#3703#3592
TOTALS26441052+1592
📊

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