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BOSTON MARATHON 2024

Helen O'Sullivan

Bib: 17940•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 39%
Masters (Masters Women)
#0 / 6263
Top 27%
Division (F45-49)
#0 / 1753
Top 33%
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
7:45/mi
24:06
↑ 97↓ 3451.5%
10K· 6.21 mi
7:50/mi
48:25
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:12:28
↑ 67↓ 78
20K· 12.43 mi
8:24/mi
1:38:34
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:44:03
↑ 19↓ 370.5%
25K· 15.53 mi
8:56/mi
2:05:42
↑ 66↓ 880.2%
30K· 18.64 mi
8:57/mi
2:33:29
↑ 181↓ 1480.2%
20M
8:48/mi
2:45:26
↑ 64↓ 500.2%
21M
9:48/mi
2:55:14
↑ 106↓ 241.6%
35K· 21.75 mi
9:24/mi
3:02:16
↑ 17↓ 861.7%
23M
9:08/mi
3:13:42
↑ 23↓ 630.6%
24M
9:33/mi
3:23:15
↓ 821.3%
40K· 24.85 mi
10:41/mi
3:32:23
↓ 200.3%
25.2M
9:46/mi
3:35:45
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
3:44:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:03
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time2:00:10
Pace9:10 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4324:067:4524:06
7:45
-
10K
6.21 mi11:39:0248:257:4824:19
7:50
+0:05
15K
9.32 mi12:03:051:12:287:4624:03
7:44
-0:06
20K
12.43 mi12:29:111:38:347:5626:06
8:24
+0:40
Half
13.11 mi12:34:401:44:037:565:29
8:02
-0:22
25K
15.53 mi12:56:192:05:428:0621:39
8:56
+0:54
30K
18.64 mi13:24:062:33:298:1427:47
8:57
+0:01
20M
20.00 mi13:36:032:45:268:1611:57
8:48
-0:09
21M
21.00 mi13:45:512:55:148:219:48
9:48
+1:00
35K
21.75 mi13:52:533:02:168:237:02
9:24
-0:24
23M
23.00 mi14:04:193:13:428:2511:26
9:08
-0:16
24M
24.00 mi14:13:523:23:158:289:33
9:33
+0:25
40K
24.85 mi14:23:003:32:238:339:08
10:41
+1:08
25.2M
25.20 mi14:26:223:35:458:343:22
9:46
-0:55
Finish
26.22 mi14:34:503:44:138:338:28
8:19
-1:27

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

7:44 /mi

Average Pace

8:33 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:31

50% of race

Time at Steady Pace

1:12:49

32% of race

Time at Slower Pace

38:53

17% of race

Average Pace: 8:33 /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 mi11:14:4324:067:4524:06
7:45
#12791
10K
6.21 mi11:39:0248:257:4824:19
7:50
#12823
15K
9.32 mi12:03:051:12:287:4624:03
7:44
#12311
20K
12.43 mi12:29:111:38:347:5626:06
8:24
#12873
Half
13.11 mi12:34:401:44:037:565:29
8:02
#12877
25K
15.53 mi12:56:192:05:428:0621:39
8:56
#13365
30K
18.64 mi13:24:062:33:298:1427:47
8:57
#13184
20M
20.00 mi13:36:032:45:268:1611:57
8:48
#12951
21M
21.00 mi13:45:512:55:148:219:48
9:48
#12856
35K
21.75 mi13:52:533:02:168:237:02
9:24
#12942
23M
23.00 mi14:04:193:13:428:2511:26
9:08
#12853
24M
24.00 mi14:13:523:23:158:289:33
9:33
#12945
40K
24.85 mi14:23:003:32:238:339:08
10:41
#13173
25.2M
25.20 mi14:26:223:35:458:343:22
9:46
#13095
Finish
26.22 mi14:34:503:44:138:338:28
8:19
#12951
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi127913605360511507(Top 45%)2967(Top 27%)2967(Top 169%)
10K6.21 mi3.10 mi12823-323638-333638-3312892(Top 50%)3701(Top 34%)3701(Top 211%)
15K9.32 mi3.11 mi12311+5123368+2703368+27011507(Top 45%)2967(Top 27%)2967(Top 169%)
20K12.43 mi3.11 mi12873-5623701-3333701-33314255(Top 56%)4578(Top 42%)4578(Top 261%)
Half13.11 mi0.68 mi12877-43713-123713-1213069(Top 51%)3937(Top 36%)3937(Top 225%)
25K15.53 mi2.42 mi13365-4884018-3054018-30515206(Top 60%)5289(Top 48%)5289(Top 302%)
30K18.64 mi3.11 mi13184+1814013+54013+512955(Top 51%)4256(Top 39%)4256(Top 243%)
20M20.00 mi1.36 mi12951+2333952+613952+6111077(Top 43%)3519(Top 32%)3519(Top 201%)
21M21.00 mi1.00 mi12856+953951+13951+112154(Top 48%)4338(Top 40%)4338(Top 247%)
35K21.75 mi0.75 mi12942-864039-884039-8815130(Top 59%)5892(Top 54%)5892(Top 336%)
23M23.00 mi1.25 mi12853+894048-94048-911851(Top 46%)4326(Top 40%)4326(Top 247%)
24M24.00 mi1.00 mi12945-924140-924140-9214679(Top 57%)5781(Top 53%)5781(Top 330%)
40K24.85 mi0.85 mi13173-2284309-1694309-16917226(Top 67%)7134(Top 65%)7134(Top 407%)
25.2M25.20 mi0.35 mi13095+784286+234286+239976(Top 39%)3620(Top 33%)3620(Top 207%)
Finish26.22 mi1.02 mi12951+1444256+304256+3010426(Top 41%)3715(Top 34%)3715(Top 212%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11507

Females

2967

F45-49

2967

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

12892

Females

3701

F45-49

3701

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11507

Females

2967

F45-49

2967

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

14255

Females

4578

F45-49

4578

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13069

Females

3937

F45-49

3937

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15206

Females

5289

F45-49

5289

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

12955

Females

4256

F45-49

4256

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11077

Females

3519

F45-49

3519

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12154

Females

4338

F45-49

4338

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15130

Females

5892

F45-49

5892

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

11851

Females

4326

F45-49

4326

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

14679

Females

5781

F45-49

5781

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17226

Females

7134

F45-49

7134

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

9976

Females

3620

F45-49

3620

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10426

Females

3715

F45-49

3715

Passing Analysis

Category:
Athletes Passed
2498
Passed By
2658
Net Change
-160
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12791
5K → 10K267299-32#12791#12823
10K → 15K55139+512#12823#12311
15K → 20K121683-562#12311#12873
20K → Half4448-4#12873#12877
Half → 25K113601-488#12877#13365
25K → 30K365184+181#13365#13184
30K → 20M27037+233#13184#12951
20M → 21M17277+95#12951#12856
21M → 35K60146-86#12856#12942
35K → 23M16980+89#12942#12853
23M → 24M67159-92#12853#12945
24M → 40K43271-228#12945#13173
40K → 25.2M824+78#13173#13095
25.2M → Finish17430+144#13095#12951
TOTALS24982658-160
📊

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