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BOSTON MARATHON 2024

Rebecca Snelson

Bib: 3488•F

CT

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 16%
Gender (Female)
#0 / 10924
Top 4%
Division (F18-39)
#0 / 4660
Top 8%
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
6:33/mi
20:22
↑ 97↓ 3451.5%
10K· 6.21 mi
6:30/mi
40:34
↑ 79↓ 1380.4%
15K· 9.32 mi
6:32/mi
1:00:53
↑ 67↓ 78
20K· 12.43 mi
6:46/mi
1:21:53
↑ 106↓ 860.1%
Half· 13.11 mi
6:47/mi
1:26:31
↑ 19↓ 370.5%
25K· 15.53 mi
6:57/mi
1:43:22
↑ 66↓ 880.2%
30K· 18.64 mi
7:46/mi
2:07:29
↑ 181↓ 1480.2%
20M
8:37/mi
2:19:11
↑ 64↓ 500.2%
21M
11:07/mi
2:30:18
↑ 106↓ 241.6%
35K· 21.75 mi
7:17/mi
2:35:45
↑ 17↓ 861.7%
23M
7:12/mi
2:44:46
↑ 23↓ 630.6%
24M
7:01/mi
2:51:47
↓ 821.3%
40K· 24.85 mi
7:10/mi
2:57:55
↓ 200.3%
25.2M
8:04/mi
3:00:42
↑ 13↓ 160.2%
Finish· 26.22 mi
6:39/mi
3:07:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:31
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:40:58
Pace7:42 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4520:226:3320:22
6:33
-
10K
6.21 mi10:42:5740:346:3220:12
6:30
-0:03
15K
9.32 mi11:03:161:00:536:3220:19
6:32
+0:02
20K
12.43 mi11:24:161:21:536:3521:00
6:46
+0:14
Half
13.11 mi11:28:541:26:316:364:38
6:47
+0:01
25K
15.53 mi11:45:451:43:226:3916:51
6:57
+0:10
30K
18.64 mi12:09:522:07:296:5024:07
7:46
+0:49
20M
20.00 mi12:21:342:19:116:5811:42
8:37
+0:51
21M
21.00 mi12:32:412:30:187:0911:07
11:07
+2:30
35K
21.75 mi12:38:082:35:457:105:27
7:17
-3:50
23M
23.00 mi12:47:092:44:467:109:01
7:12
-0:05
24M
24.00 mi12:54:102:51:477:097:01
7:01
-0:11
40K
24.85 mi13:00:182:57:557:096:08
7:10
+0:09
25.2M
25.20 mi13:03:053:00:427:102:47
8:04
+0:54
Finish
26.22 mi13:09:523:07:297:096:47
6:39
-1:25

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

6:30 /mi

Average Pace

7:09 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:17:46

73% of race

Time at Slower Pace

49:43

27% of race

Average Pace: 7:09 /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 mi10:22:4520:226:3320:22
6:33
#3703
10K
6.21 mi10:42:5740:346:3220:12
6:30
#3332
15K
9.32 mi11:03:161:00:536:3220:19
6:32
#3172
20K
12.43 mi11:24:161:21:536:3521:00
6:46
#3205
Half
13.11 mi11:28:541:26:316:364:38
6:47
#3251
25K
15.53 mi11:45:451:43:226:3916:51
6:57
#3325
30K
18.64 mi12:09:522:07:296:5024:07
7:46
#4002
20M
20.00 mi12:21:342:19:116:5811:42
8:37
#4470
21M
21.00 mi12:32:412:30:187:0911:07
11:07
#5167
35K
21.75 mi12:38:082:35:457:105:27
7:17
#5052
23M
23.00 mi12:47:092:44:467:109:01
7:12
#4791
24M
24.00 mi12:54:102:51:477:097:01
7:01
#4588
40K
24.85 mi13:00:182:57:557:096:08
7:10
#4387
25.2M
25.20 mi13:03:053:00:427:102:47
8:04
#4323
Finish
26.22 mi13:09:523:07:297:096:47
6:39
#4157
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi37031821822937(Top 11%)131(Top 1%)131(Top 3%)
10K6.21 mi3.10 mi3332+371151+31151+313032(Top 12%)133(Top 1%)133(Top 3%)
15K9.32 mi3.11 mi3172+160144+7144+72937(Top 11%)131(Top 1%)131(Top 3%)
20K12.43 mi3.11 mi3205-33145-1145-13592(Top 14%)200(Top 2%)200(Top 4%)
Half13.11 mi0.68 mi3251-46149-4149-44522(Top 18%)348(Top 3%)348(Top 7%)
25K15.53 mi2.42 mi3325-74160-11160-114100(Top 16%)316(Top 3%)316(Top 7%)
30K18.64 mi3.11 mi4002-677252-92252-926484(Top 25%)1145(Top 10%)1145(Top 25%)
20M20.00 mi1.36 mi4470-468349-97349-9710048(Top 39%)2975(Top 27%)2975(Top 64%)
21M21.00 mi1.00 mi5167-697522-173522-17316637(Top 65%)6660(Top 61%)6660(Top 143%)
35K21.75 mi0.75 mi5052+115517+5517+54131(Top 16%)562(Top 5%)562(Top 12%)
23M23.00 mi1.25 mi4791+261472+45472+452603(Top 10%)258(Top 2%)258(Top 6%)
24M24.00 mi1.00 mi4588+203457+15457+152409(Top 9%)261(Top 2%)261(Top 6%)
40K24.85 mi0.85 mi4387+201437+20437+202417(Top 9%)291(Top 3%)291(Top 6%)
25.2M25.20 mi0.35 mi4323+64431+6431+63000(Top 12%)463(Top 4%)463(Top 10%)
Finish26.22 mi1.02 mi4157+166416+15416+151875(Top 7%)219(Top 2%)219(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

2937

Females

131

F18-39

131

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3032

Females

133

F18-39

133

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

2937

Females

131

F18-39

131

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

3592

Females

200

F18-39

200

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

4522

Females

348

F18-39

348

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4100

Females

316

F18-39

316

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

6484

Females

1145

F18-39

1145

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10048

Females

2975

F18-39

2975

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

16637

Females

6660

F18-39

6660

21M→35K

21.0 - 21.8 mi

Top 16%
×7story building
+17ft-86ft

Overall

4131

Females

562

F18-39

562

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2603

Females

258

F18-39

258

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2409

Females

261

F18-39

261

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2417

Females

291

F18-39

291

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3000

Females

463

F18-39

463

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

1875

Females

219

F18-39

219

Passing Analysis

Category:
Athletes Passed
1915
Passed By
2369
Net Change
-454
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3703
5K → 10K39625+371#3703#3332
10K → 15K18727+160#3332#3172
15K → 20K102135-33#3172#3205
20K → Half854-46#3205#3251
Half → 25K105179-74#3251#3325
25K → 30K43720-677#3325#4002
30K → 20M31499-468#4002#4470
20M → 21M9706-697#4470#5167
21M → 35K1249+115#5167#5052
35K → 23M2687+261#5052#4791
23M → 24M2052+203#4791#4588
24M → 40K2032+201#4588#4387
40K → 25.2M673+64#4387#4323
25.2M → Finish1671+166#4323#4157
TOTALS19152369-454
📊

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