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BOSTON MARATHON 2024

Shannon Seeley-Bell

Bib: 17522•F

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Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Age Group (F45-49)
#0 / 1753
Race Day Weather
55°/45°F
scattered clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
31:17
Rank: #23139
Start → 5K
31:17 | 10:04/mi
10K· 6.21 mi
1:03:05
Rank: #23104 (+35)
5K → 10K
31:48 | 10:14/mi
15K· 9.32 mi
1:34:27
Rank: #22783 (+321)
10K → 15K
31:22 | 10:06/mi
20K· 12.43 mi
2:05:56
Rank: #22289 (+494)
15K → 20K
31:29 | 10:08/mi
Half· 13.11 mi
2:13:15
Rank: #22339 (-50)
20K → Half
7:19 | 10:43/mi
25K· 15.53 mi
2:37:56
Rank: #21906 (+433)
Half → 25K
24:41 | 10:11/mi
30K· 18.64 mi
3:12:34
Rank: #21568 (+338)
25K → 30K
34:38 | 11:09/mi
20M
3:27:18
Rank: #21344 (+224)
30K → 20M
14:44 | 10:51/mi
21M
3:39:04
Rank: #21197 (+147)
20M → 21M
11:46 | 11:46/mi
35K· 21.75 mi
3:47:38
Rank: #21172 (+25)
21M → 35K
8:34 | 11:27/mi
23M
4:01:13
Rank: #21008 (+164)
35K → 23M
13:35 | 10:51/mi
24M
4:12:44
Rank: #20960 (+48)
23M → 24M
11:31 | 11:31/mi
40K· 24.85 mi
4:22:33
Rank: #20896 (+64)
24M → 40K
9:49 | 11:29/mi
25.2M
4:26:55
Rank: #20869 (+27)
40K → 25.2M
4:22 | 12:40/mi
Finish· 26.22 mi
4:37:46
Rank: #20845 (+24)
25.2M → Finish
10:51 | 10:39/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time2:13:15
Pace10:10 /mi
2nd Half
Distance13.11 mi
Time2:24:31
Pace11:01 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:3831:1710:0431:17
10:04
-
10K
6.21 mi12:03:261:03:0510:0931:48
10:14
+0:10
15K
9.32 mi12:34:481:34:2710:0831:22
10:06
-0:08
20K
12.43 mi13:06:172:05:5610:0831:29
10:08
+0:02
Half
13.11 mi13:13:362:13:1510:107:19
10:43
+0:35
25K
15.53 mi13:38:172:37:5610:1024:41
10:11
-0:32
30K
18.64 mi14:12:553:12:3410:2034:38
11:09
+0:58
20M
20.00 mi14:27:393:27:1810:2214:44
10:51
-0:18
21M
21.00 mi14:39:253:39:0410:2611:46
11:46
+0:55
35K
21.75 mi14:47:593:47:3810:288:34
11:27
-0:19
23M
23.00 mi15:01:344:01:1310:2913:35
10:51
-0:36
24M
24.00 mi15:13:054:12:4410:3211:31
11:31
+0:40
40K
24.85 mi15:22:544:22:3310:349:49
11:29
-0:02
25.2M
25.20 mi15:27:164:26:5510:364:22
12:40
+1:11
Finish
26.22 mi15:38:074:37:4610:3610:51
10:39
-2:01

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

10:04 /mi

Average Pace

10:36 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:30:37

54% of race

Time at Steady Pace

1:21:07

29% of race

Time at Slower Pace

46:02

17% of race

Average Pace: 10:36 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:31:3831:1710:0431:17
10:04
#23139
10K
6.21 mi12:03:261:03:0510:0931:48
10:14
#23104
15K
9.32 mi12:34:481:34:2710:0831:22
10:06
#22783
20K
12.43 mi13:06:172:05:5610:0831:29
10:08
#22289
Half
13.11 mi13:13:362:13:1510:107:19
10:43
#22339
25K
15.53 mi13:38:172:37:5610:1024:41
10:11
#21906
30K
18.64 mi14:12:553:12:3410:2034:38
11:09
#21568
20M
20.00 mi14:27:393:27:1810:2214:44
10:51
#21344
21M
21.00 mi14:39:253:39:0410:2611:46
11:46
#21197
35K
21.75 mi14:47:593:47:3810:288:34
11:27
#21172
23M
23.00 mi15:01:344:01:1310:2913:35
10:51
#21008
24M
24.00 mi15:13:054:12:4410:3211:31
11:31
#20960
40K
24.85 mi15:22:544:22:3310:349:49
11:29
#20896
25.2M
25.20 mi15:27:164:26:5510:364:22
12:40
#20869
Finish
26.22 mi15:38:074:37:4610:3610:51
10:39
#20845
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi231399464946422136(Top 87%)8946(Top 82%)8946(Top 510%)
10K6.21 mi3.10 mi23104+359465-19465-123038(Top 90%)9454(Top 87%)9454(Top 539%)
15K9.32 mi3.11 mi22783+3219296+1699296+16922136(Top 87%)8946(Top 82%)8946(Top 510%)
20K12.43 mi3.11 mi22289+4949057+2399057+23920879(Top 82%)8285(Top 76%)8285(Top 473%)
Half13.11 mi0.68 mi22339-509087-309087-3023086(Top 90%)9535(Top 87%)9535(Top 544%)
25K15.53 mi2.42 mi21906+4338876+2118876+21119623(Top 77%)7716(Top 71%)7716(Top 440%)
30K18.64 mi3.11 mi21568+3388745+1318745+13120323(Top 80%)8279(Top 76%)8279(Top 472%)
20M20.00 mi1.36 mi21344+2248652+938652+9318909(Top 74%)7669(Top 70%)7669(Top 437%)
21M21.00 mi1.00 mi21197+1478586+668586+6618294(Top 72%)7477(Top 68%)7477(Top 427%)
35K21.75 mi0.75 mi21172+258600-148600-1420769(Top 81%)8705(Top 80%)8705(Top 497%)
23M23.00 mi1.25 mi21008+1648532+688532+6818011(Top 70%)7425(Top 68%)7425(Top 424%)
24M24.00 mi1.00 mi20960+488532853220461(Top 80%)8661(Top 79%)8661(Top 494%)
40K24.85 mi0.85 mi20896+648511+218511+2119294(Top 76%)8157(Top 75%)8157(Top 465%)
25.2M25.20 mi0.35 mi20869+278499+128499+1218973(Top 74%)8003(Top 73%)8003(Top 457%)
Finish26.22 mi1.02 mi20845+248499849920441(Top 80%)8697(Top 80%)8697(Top 496%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

22136

Females

8946

F45-49

8946

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

23038

Females

9454

F45-49

9454

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

22136

Females

8946

F45-49

8946

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

20879

Females

8285

F45-49

8285

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

23086

Females

9535

F45-49

9535

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

19623

Females

7716

F45-49

7716

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

20323

Females

8279

F45-49

8279

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

18909

Females

7669

F45-49

7669

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

18294

Females

7477

F45-49

7477

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

20769

Females

8705

F45-49

8705

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

18011

Females

7425

F45-49

7425

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

20461

Females

8661

F45-49

8661

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

19294

Females

8157

F45-49

8157

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

18973

Females

8003

F45-49

8003

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

20441

Females

8697

F45-49

8697

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2770
Passed By
476
Net Change
+2294
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23139
5K → 10K226191+35#23139#23104
10K → 15K34726+321#23104#22783
15K → 20K5039+494#22783#22289
20K → Half1060-50#22289#22339
Half → 25K4352+433#22339#21906
25K → 30K37537+338#21906#21568
30K → 20M2284+224#21568#21344
20M → 21M1569+147#21344#21197
21M → 35K6540+25#21197#21172
35K → 23M1728+164#21172#21008
23M → 24M8032+48#21008#20960
24M → 40K7410+64#20960#20896
40K → 25.2M369+27#20896#20869
25.2M → Finish6339+24#20869#20845
TOTALS2770476+2294
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing