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BOSTON MARATHON 2024

Dana O'Brien

Bib: 25621•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
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
10:57/mi
34:01
↑ 97↓ 3451.5%
10K· 6.21 mi
10:48/mi
1:07:34
↑ 79↓ 1380.4%
15K· 9.32 mi
10:52/mi
1:41:20
↑ 67↓ 78
20K· 12.43 mi
10:53/mi
2:15:10
↑ 106↓ 860.1%
Half· 13.11 mi
10:07/mi
2:22:04
↑ 19↓ 370.5%
25K· 15.53 mi
11:36/mi
2:50:12
↑ 66↓ 880.2%
30K· 18.64 mi
14:35/mi
3:35:31
↑ 181↓ 1480.2%
20M
10:34/mi
3:49:52
↑ 64↓ 500.2%
21M
11:16/mi
4:01:08
↑ 106↓ 241.6%
35K· 21.75 mi
10:30/mi
4:08:59
↑ 17↓ 861.7%
23M
11:24/mi
4:23:16
↑ 23↓ 630.6%
24M
10:17/mi
4:33:33
↓ 821.3%
40K· 24.85 mi
10:39/mi
4:42:39
↓ 200.3%
25.2M
11:42/mi
4:46:41
↑ 13↓ 160.2%
Finish· 26.22 mi
9:28/mi
4:56:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:22:04
Pace10:50 /mi
2nd Half
Distance13.11 mi
Time2:34:16
Pace11:46 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:0134:0110:5734:01
10:57
-
10K
6.21 mi12:26:341:07:3410:5233:33
10:48
-0:09
15K
9.32 mi13:00:201:41:2010:5233:46
10:52
+0:04
20K
12.43 mi13:34:102:15:1010:5333:50
10:53
+0:01
Half
13.11 mi13:41:042:22:0410:506:54
10:07
-0:46
25K
15.53 mi14:09:122:50:1210:5728:08
11:36
+1:29
30K
18.64 mi14:54:313:35:3111:3445:19
14:35
+2:59
20M
20.00 mi15:08:523:49:5211:3014:21
10:34
-4:01
21M
21.00 mi15:20:084:01:0811:2911:16
11:16
+0:42
35K
21.75 mi15:27:594:08:5911:277:51
10:30
-0:46
23M
23.00 mi15:42:164:23:1611:2714:17
11:24
+0:54
24M
24.00 mi15:52:334:33:3311:2410:17
10:17
-1:07
40K
24.85 mi16:01:394:42:3911:229:06
10:39
+0:22
25.2M
25.20 mi16:05:414:46:4111:234:02
11:42
+1:03
Finish
26.22 mi16:15:204:56:2011:199:39
9:28
-2:14

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

9:28 /mi

Average Pace

11:19 /mi

Slowest Pace

14:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:50

9% of race

Time at Steady Pace

3:12:01

65% of race

Time at Slower Pace

1:17:29

26% of race

Average Pace: 11:18 /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 mi11:53:0134:0110:5734:01
10:57
#24785
10K
6.21 mi12:26:341:07:3410:5233:33
10:48
#24400
15K
9.32 mi13:00:201:41:2010:5233:46
10:52
#24099
20K
12.43 mi13:34:102:15:1010:5333:50
10:53
#23742
Half
13.11 mi13:41:042:22:0410:506:54
10:07
#23646
25K
15.53 mi14:09:122:50:1210:5728:08
11:36
#23485
30K
18.64 mi14:54:313:35:3111:3445:19
14:35
#23822
20M
20.00 mi15:08:523:49:5211:3014:21
10:34
#23539
21M
21.00 mi15:20:084:01:0811:2911:16
11:16
#23272
35K
21.75 mi15:27:594:08:5911:277:51
10:30
#23160
23M
23.00 mi15:42:164:23:1611:2714:17
11:24
#23017
24M
24.00 mi15:52:334:33:3311:2410:17
10:17
#22853
40K
24.85 mi16:01:394:42:3911:229:06
10:39
#22695
25.2M
25.20 mi16:05:414:46:4111:234:02
11:42
#22632
Finish
26.22 mi16:15:204:56:2011:199:39
9:28
#22475
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi24785104261042623562(Top 92%)9720(Top 89%)9720(Top 554%)
10K6.21 mi3.10 mi24400+38510196+23010196+23024014(Top 94%)9976(Top 91%)9976(Top 569%)
15K9.32 mi3.11 mi24099+30110006+19010006+19023562(Top 92%)9720(Top 89%)9720(Top 554%)
20K12.43 mi3.11 mi23742+3579815+1919815+19122434(Top 88%)9148(Top 84%)9148(Top 522%)
Half13.11 mi0.68 mi23646+969777+389777+3821792(Top 85%)8851(Top 81%)8851(Top 505%)
25K15.53 mi2.42 mi23485+1619721+569721+5622583(Top 88%)9316(Top 85%)9316(Top 531%)
30K18.64 mi3.11 mi23822-3379926-2059926-20524657(Top 97%)10495(Top 96%)10495(Top 599%)
20M20.00 mi1.36 mi23539+2839786+1409786+14018155(Top 71%)7293(Top 67%)7293(Top 416%)
21M21.00 mi1.00 mi23272+2679674+1129674+11217074(Top 67%)6900(Top 63%)6900(Top 394%)
35K21.75 mi0.75 mi23160+1129635+399635+3918595(Top 73%)7639(Top 70%)7639(Top 436%)
23M23.00 mi1.25 mi23017+1439575+609575+6019431(Top 76%)8111(Top 74%)8111(Top 463%)
24M24.00 mi1.00 mi22853+1649499+769499+7617250(Top 68%)7091(Top 65%)7091(Top 405%)
40K24.85 mi0.85 mi22695+1589423+769423+7617138(Top 67%)7101(Top 65%)7101(Top 405%)
25.2M25.20 mi0.35 mi22632+639394+299394+2916633(Top 65%)6868(Top 63%)6868(Top 392%)
Finish26.22 mi1.02 mi22475+1579338+569338+5616427(Top 64%)6732(Top 62%)6732(Top 384%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

23562

Females

9720

F45-49

9720

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

24014

Females

9976

F45-49

9976

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

23562

Females

9720

F45-49

9720

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

22434

Females

9148

F45-49

9148

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

21792

Females

8851

F45-49

8851

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

22583

Females

9316

F45-49

9316

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

24657

Females

10495

F45-49

10495

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18155

Females

7293

F45-49

7293

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

17074

Females

6900

F45-49

6900

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

18595

Females

7639

F45-49

7639

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

19431

Females

8111

F45-49

8111

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

17250

Females

7091

F45-49

7091

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17138

Females

7101

F45-49

7101

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

16633

Females

6868

F45-49

6868

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

16427

Females

6732

F45-49

6732

Passing Analysis

Category:
Athletes Passed
2782
Passed By
472
Net Change
+2310
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24785
5K → 10K40621+385#24785#24400
10K → 15K32322+301#24400#24099
15K → 20K3625+357#24099#23742
20K → Half960+96#23742#23646
Half → 25K19635+161#23646#23485
25K → 30K41378-337#23485#23822
30K → 20M2830+283#23822#23539
20M → 21M2670+267#23539#23272
21M → 35K1131+112#23272#23160
35K → 23M1463+143#23160#23017
23M → 24M1640+164#23017#22853
24M → 40K1613+158#22853#22695
40K → 25.2M630+63#22695#22632
25.2M → Finish1614+157#22632#22475
TOTALS2782472+2310
📊

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