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BOSTON MARATHON 2024

Shannon Brittany-Pollock

Bib: 12727•F

NB

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 19%
Gender (Female)
#0 / 10924
Top 6%
Masters (Masters Women)
#0 / 6263
Top 2%
Division (F40-44)
#0 / 1613
Top 5%
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
7:22/mi
22:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:23/mi
45:47
↑ 79↓ 1380.4%
15K· 9.32 mi
7:20/mi
1:08:33
↑ 67↓ 78
20K· 12.43 mi
7:16/mi
1:31:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:12/mi
1:36:04
↑ 19↓ 370.5%
25K· 15.53 mi
7:20/mi
1:53:51
↑ 66↓ 880.2%
30K· 18.64 mi
7:18/mi
2:16:33
↑ 181↓ 1480.2%
20M
7:21/mi
2:26:32
↑ 64↓ 500.2%
21M
7:30/mi
2:34:02
↑ 106↓ 241.6%
35K· 21.75 mi
7:09/mi
2:39:23
↑ 17↓ 861.7%
23M
7:22/mi
2:48:37
↑ 23↓ 630.6%
24M
7:09/mi
2:55:46
↓ 821.3%
40K· 24.85 mi
7:16/mi
3:01:59
↓ 200.3%
25.2M
7:50/mi
3:04:41
↑ 13↓ 160.2%
Finish· 26.22 mi
6:52/mi
3:11:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:36:04
Pace7:20 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:37
Pace7:18 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2322:527:2222:52
7:22
-
10K
6.21 mi11:14:1845:477:2222:55
7:23
+0:01
15K
9.32 mi11:37:041:08:337:2122:46
7:20
-0:03
20K
12.43 mi11:59:401:31:097:2022:36
7:16
-0:04
Half
13.11 mi12:04:351:36:047:204:55
7:12
-0:04
25K
15.53 mi12:22:221:53:517:2017:47
7:20
+0:08
30K
18.64 mi12:45:042:16:337:2022:42
7:18
-0:02
20M
20.00 mi12:55:032:26:327:209:59
7:21
+0:03
21M
21.00 mi13:02:332:34:027:207:30
7:30
+0:09
35K
21.75 mi13:07:542:39:237:205:21
7:09
-0:21
23M
23.00 mi13:17:082:48:377:209:14
7:22
+0:13
24M
24.00 mi13:24:172:55:467:197:09
7:09
-0:13
40K
24.85 mi13:30:303:01:597:196:13
7:16
+0:07
25.2M
25.20 mi13:33:123:04:417:202:42
7:50
+0:34
Finish
26.22 mi13:40:123:11:417:197:00
6:52
-0:58

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

6:52 /mi

Average Pace

7:19 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:59

99% of race

Time at Steady Pace

2:42

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:19 /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 mi10:51:2322:527:2222:52
7:22
#9643
10K
6.21 mi11:14:1845:477:2222:55
7:23
#9395
15K
9.32 mi11:37:041:08:337:2122:46
7:20
#9016
20K
12.43 mi11:59:401:31:097:2022:36
7:16
#8372
Half
13.11 mi12:04:351:36:047:204:55
7:12
#8301
25K
15.53 mi12:22:221:53:517:2017:47
7:20
#7812
30K
18.64 mi12:45:042:16:337:2022:42
7:18
#6983
20M
20.00 mi12:55:032:26:327:209:59
7:21
#6593
21M
21.00 mi13:02:332:34:027:207:30
7:30
#6175
35K
21.75 mi13:07:542:39:237:205:21
7:09
#5997
23M
23.00 mi13:17:082:48:377:209:14
7:22
#5691
24M
24.00 mi13:24:172:55:467:197:09
7:09
#5452
40K
24.85 mi13:30:303:01:597:196:13
7:16
#5254
25.2M
25.20 mi13:33:123:04:417:202:42
7:50
#5140
Finish
26.22 mi13:40:123:11:417:197:00
6:52
#4960
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi9643185718578358(Top 33%)1405(Top 13%)1405(Top 87%)
10K6.21 mi3.10 mi9395+2481776+811776+819248(Top 36%)1761(Top 16%)1761(Top 109%)
15K9.32 mi3.11 mi9016+3791643+1331643+1338358(Top 33%)1405(Top 13%)1405(Top 87%)
20K12.43 mi3.11 mi8372+6441395+2481395+2486829(Top 27%)936(Top 9%)936(Top 58%)
Half13.11 mi0.68 mi8301+711370+251370+257053(Top 28%)997(Top 9%)997(Top 62%)
25K15.53 mi2.42 mi7812+4891216+1541216+1546035(Top 24%)818(Top 7%)818(Top 51%)
30K18.64 mi3.11 mi6983+829985+231985+2314249(Top 17%)433(Top 4%)433(Top 27%)
20M20.00 mi1.36 mi6593+390906+79906+793753(Top 15%)382(Top 3%)382(Top 24%)
21M21.00 mi1.00 mi6175+418806+100806+1002526(Top 10%)217(Top 2%)217(Top 13%)
35K21.75 mi0.75 mi5997+178773+33773+333652(Top 14%)438(Top 4%)438(Top 27%)
23M23.00 mi1.25 mi5691+306725+48725+483186(Top 12%)377(Top 3%)377(Top 23%)
24M24.00 mi1.00 mi5452+239684+41684+412848(Top 11%)345(Top 3%)345(Top 21%)
40K24.85 mi0.85 mi5254+198653+31653+312749(Top 11%)349(Top 3%)349(Top 22%)
25.2M25.20 mi0.35 mi5140+114640+13640+132312(Top 9%)297(Top 3%)297(Top 18%)
Finish26.22 mi1.02 mi4960+180609+31609+312632(Top 10%)375(Top 3%)375(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8358

Females

1405

F40-44

1405

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9248

Females

1761

F40-44

1761

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8358

Females

1405

F40-44

1405

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

6829

Females

936

F40-44

936

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7053

Females

997

F40-44

997

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6035

Females

818

F40-44

818

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4249

Females

433

F40-44

433

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

3753

Females

382

F40-44

382

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2526

Females

217

F40-44

217

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3652

Females

438

F40-44

438

35K→23M

21.8 - 23.0 mi

Top 12%
×5story building
+23ft-63ft

Overall

3186

Females

377

F40-44

377

23M→24M

23.0 - 24.0 mi

Top 11%
×6story building
+12ft-82ft

Overall

2848

Females

345

F40-44

345

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2749

Females

349

F40-44

349

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2312

Females

297

F40-44

297

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2story building
+22ft-21ft

Overall

2632

Females

375

F40-44

375

Passing Analysis

Category:
Athletes Passed
4874
Passed By
191
Net Change
+4683
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9643
5K → 10K378130+248#9643#9395
10K → 15K41132+379#9395#9016
15K → 20K6484+644#9016#8372
20K → Half765+71#8372#8301
Half → 25K4967+489#8301#7812
25K → 30K8301+829#7812#6983
30K → 20M3911+390#6983#6593
20M → 21M4180+418#6593#6175
21M → 35K1780+178#6175#5997
35K → 23M3082+306#5997#5691
23M → 24M2412+239#5691#5452
24M → 40K2002+198#5452#5254
40K → 25.2M1162+114#5254#5140
25.2M → Finish1833+180#5140#4960
TOTALS4874191+4683
📊

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