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BOSTON MARATHON 2024

Shannon Bailey

Bib: 13015•F

UT

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 36%
Gender (Female)
#0 / 10924
Top 21%
Division (F18-39)
#0 / 4660
Top 37%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:07
Rank: #12836
Start → 5K
24:07 | 7:46/mi
10K· 6.21 mi
48:15
Rank: #12616 (+220)
5K → 10K
24:08 | 7:46/mi
15K· 9.32 mi
1:12:07
Rank: #12041 (+575)
10K → 15K
23:52 | 7:41/mi
20K· 12.43 mi
1:36:41
Rank: #11750 (+291)
15K → 20K
24:34 | 7:54/mi
Half· 13.11 mi
1:42:03
Rank: #11746 (+4)
20K → Half
5:22 | 7:52/mi
25K· 15.53 mi
2:01:15
Rank: #11324 (+422)
Half → 25K
19:12 | 7:55/mi
30K· 18.64 mi
2:27:31
Rank: #11044 (+280)
25K → 30K
26:16 | 8:27/mi
20M
2:39:33
Rank: #11021 (+23)
30K → 20M
12:02 | 8:51/mi
21M
2:48:30
Rank: #10756 (+265)
20M → 21M
8:57 | 8:57/mi
35K· 21.75 mi
2:54:26
Rank: #10607 (+149)
21M → 35K
5:56 | 7:56/mi
23M
3:04:56
Rank: #10369 (+238)
35K → 23M
10:30 | 8:23/mi
24M
3:12:43
Rank: #10119 (+250)
23M → 24M
7:47 | 7:47/mi
40K· 24.85 mi
3:19:15
Rank: #9827 (+292)
24M → 40K
6:32 | 7:38/mi
25.2M
3:21:54
Rank: #9630 (+197)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:29:05
Rank: #9308 (+322)
25.2M → Finish
7:11 | 7:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:03
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:47:02
Pace8:10 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0324:077:4624:07
7:46
-
10K
6.21 mi11:19:1148:157:4624:08
7:46
0:00
15K
9.32 mi11:43:031:12:077:4423:52
7:41
-0:05
20K
12.43 mi12:07:371:36:417:4724:34
7:54
+0:13
Half
13.11 mi12:12:591:42:037:475:22
7:52
-0:02
25K
15.53 mi12:32:112:01:157:4819:12
7:55
+0:03
30K
18.64 mi12:58:272:27:317:5526:16
8:27
+0:32
20M
20.00 mi13:10:292:39:337:5912:02
8:51
+0:24
21M
21.00 mi13:19:262:48:308:018:57
8:57
+0:06
35K
21.75 mi13:25:222:54:268:015:56
7:56
-1:01
23M
23.00 mi13:35:523:04:568:0210:30
8:23
+0:27
24M
24.00 mi13:43:393:12:438:027:47
7:47
-0:36
40K
24.85 mi13:50:113:19:158:016:32
7:38
-0:09
25.2M
25.20 mi13:52:503:21:548:012:39
7:41
+0:03
Finish
26.22 mi14:00:013:29:057:597:11
7:03
-0:38

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

7:03 /mi

Average Pace

7:59 /mi

Slowest Pace

8:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:11

3% of race

Time at Steady Pace

2:24:09

69% of race

Time at Slower Pace

57:45

28% of race

Average Pace: 7:58 /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 mi10:55:0324:077:4624:07
7:46
#12836
10K
6.21 mi11:19:1148:157:4624:08
7:46
#12616
15K
9.32 mi11:43:031:12:077:4423:52
7:41
#12041
20K
12.43 mi12:07:371:36:417:4724:34
7:54
#11750
Half
13.11 mi12:12:591:42:037:475:22
7:52
#11746
25K
15.53 mi12:32:112:01:157:4819:12
7:55
#11324
30K
18.64 mi12:58:272:27:317:5526:16
8:27
#11044
20M
20.00 mi13:10:292:39:337:5912:02
8:51
#11021
21M
21.00 mi13:19:262:48:308:018:57
8:57
#10756
35K
21.75 mi13:25:222:54:268:015:56
7:56
#10607
23M
23.00 mi13:35:523:04:568:0210:30
8:23
#10369
24M
24.00 mi13:43:393:12:438:027:47
7:47
#10119
40K
24.85 mi13:50:113:19:158:016:32
7:38
#9827
25.2M
25.20 mi13:52:503:21:548:012:39
7:41
#9630
Finish
26.22 mi14:00:013:29:057:597:11
7:03
#9308
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi128363635363511080(Top 43%)2729(Top 25%)2729(Top 59%)
10K6.21 mi3.10 mi12616+2203510+1253510+12512415(Top 49%)3425(Top 31%)3425(Top 73%)
15K9.32 mi3.11 mi12041+5753227+2833227+28311080(Top 43%)2729(Top 25%)2729(Top 59%)
20K12.43 mi3.11 mi11750+2913083+1443083+14411197(Top 44%)2918(Top 27%)2918(Top 63%)
Half13.11 mi0.68 mi11746+43087-43087-411882(Top 47%)3288(Top 30%)3288(Top 71%)
25K15.53 mi2.42 mi11324+4222896+1912896+1919682(Top 38%)2333(Top 21%)2333(Top 50%)
30K18.64 mi3.11 mi11044+2802852+442852+4410434(Top 41%)2909(Top 27%)2909(Top 62%)
20M20.00 mi1.36 mi11021+232895-432895-4311407(Top 45%)3716(Top 34%)3716(Top 80%)
21M21.00 mi1.00 mi10756+2652816+792816+798392(Top 33%)2396(Top 22%)2396(Top 51%)
35K21.75 mi0.75 mi10607+1492770+462770+467437(Top 29%)1983(Top 18%)1983(Top 43%)
23M23.00 mi1.25 mi10369+2382715+552715+557871(Top 31%)2343(Top 21%)2343(Top 50%)
24M24.00 mi1.00 mi10119+2502632+832632+835511(Top 22%)1323(Top 12%)1323(Top 28%)
40K24.85 mi0.85 mi9827+2922524+1082524+1084119(Top 16%)840(Top 8%)840(Top 18%)
25.2M25.20 mi0.35 mi9630+1972448+762448+761928(Top 8%)224(Top 2%)224(Top 5%)
Finish26.22 mi1.02 mi9308+3222336+1122336+1123392(Top 13%)600(Top 5%)600(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

11080

Females

2729

F18-39

2729

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

12415

Females

3425

F18-39

3425

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

11080

Females

2729

F18-39

2729

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

11197

Females

2918

F18-39

2918

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

11882

Females

3288

F18-39

3288

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

9682

Females

2333

F18-39

2333

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10434

Females

2909

F18-39

2909

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

11407

Females

3716

F18-39

3716

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8392

Females

2396

F18-39

2396

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7437

Females

1983

F18-39

1983

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

7871

Females

2343

F18-39

2343

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5511

Females

1323

F18-39

1323

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4119

Females

840

F18-39

840

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

1928

Females

224

F18-39

224

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3392

Females

600

F18-39

600

Passing Analysis

Category:
Athletes Passed
4216*
Passed By
688
Net Change
+3528
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12836
5K → 10K396176+220#12836#12616
10K → 15K60429+575#12616#12041
15K → 20K37281+291#12041#11750
20K → Half4440+4#11750#11746
Half → 25K43917+422#11746#11324
25K → 30K435155+280#11324#11044
30K → 20M148125+23#11044#11021
20M → 21M29631+265#11021#10756
21M → 35K1567+149#10756#10607
35K → 23M26123+238#10607#10369
23M → 24M2522+250#10369#10119
24M → 40K292*0+292#10119#9827
40K → 25.2M1970+197#9827#9630
25.2M → Finish3242+322#9630#9308
TOTALS4216*688+3528

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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