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BOSTON MARATHON 2024

Shan Guan

Bib: 13639•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 40%
Masters (Masters Women)
#0 / 6263
Top 28%
Division (F40-44)
#0 / 1613
Top 48%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:17
Rank: #13238
Start → 5K
24:17 | 7:49/mi
10K· 6.21 mi
48:34
Rank: #13002 (+236)
5K → 10K
24:17 | 7:49/mi
15K· 9.32 mi
1:12:52
Rank: #12663 (+339)
10K → 15K
24:18 | 7:49/mi
20K· 12.43 mi
1:38:43
Rank: #12970 (-307)
15K → 20K
25:51 | 8:19/mi
Half· 13.11 mi
1:44:24
Rank: #13071 (-101)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:06:40
Rank: #13757 (-686)
Half → 25K
22:16 | 9:11/mi
30K· 18.64 mi
2:36:21
Rank: #14134 (-377)
25K → 30K
29:41 | 9:33/mi
20M
2:48:45
Rank: #14015 (+119)
30K → 20M
12:24 | 9:07/mi
21M
2:58:52
Rank: #13963 (+52)
20M → 21M
10:07 | 10:07/mi
35K· 21.75 mi
3:05:27
Rank: #13851 (+112)
21M → 35K
6:35 | 8:48/mi
23M
3:17:02
Rank: #13741 (+110)
35K → 23M
11:35 | 9:15/mi
24M
3:25:48
Rank: #13589 (+152)
23M → 24M
8:46 | 8:46/mi
40K· 24.85 mi
3:33:22
Rank: #13417 (+172)
24M → 40K
7:34 | 8:51/mi
25.2M
3:36:51
Rank: #13359 (+58)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:45:12
Rank: #13194 (+165)
25.2M → Finish
8:21 | 8:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:24
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time2:00:48
Pace9:13 /mi
📊Positive Split: 15.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4624:177:4924:17
7:49
-
10K
6.21 mi11:19:0348:347:4924:17
7:49
0:00
15K
9.32 mi11:43:211:12:527:4924:18
7:49
0:00
20K
12.43 mi12:09:121:38:437:5725:51
8:19
+0:30
Half
13.11 mi12:14:531:44:247:585:41
8:20
+0:01
25K
15.53 mi12:37:092:06:408:0922:16
9:11
+0:51
30K
18.64 mi13:06:502:36:218:2329:41
9:33
+0:22
20M
20.00 mi13:19:142:48:458:2612:24
9:07
-0:26
21M
21.00 mi13:29:212:58:528:3110:07
10:07
+1:00
35K
21.75 mi13:35:563:05:278:326:35
8:48
-1:19
23M
23.00 mi13:47:313:17:028:3411:35
9:15
+0:27
24M
24.00 mi13:56:173:25:488:358:46
8:46
-0:29
40K
24.85 mi14:03:513:33:228:357:34
8:51
+0:05
25.2M
25.20 mi14:07:203:36:518:363:29
10:06
+1:15
Finish
26.22 mi14:15:413:45:128:368:21
8:12
-1:54

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

7:49 /mi

Average Pace

8:36 /mi

Slowest Pace

10:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:45

50% of race

Time at Steady Pace

35:19

16% of race

Time at Slower Pace

1:17:08

34% of race

Average Pace: 8:35 /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 mi10:54:4624:177:4924:17
7:49
#13238
10K
6.21 mi11:19:0348:347:4924:17
7:49
#13002
15K
9.32 mi11:43:211:12:527:4924:18
7:49
#12663
20K
12.43 mi12:09:121:38:437:5725:51
8:19
#12970
Half
13.11 mi12:14:531:44:247:585:41
8:20
#13071
25K
15.53 mi12:37:092:06:408:0922:16
9:11
#13757
30K
18.64 mi13:06:502:36:218:2329:41
9:33
#14134
20M
20.00 mi13:19:142:48:458:2612:24
9:07
#14015
21M
21.00 mi13:29:212:58:528:3110:07
10:07
#13963
35K
21.75 mi13:35:563:05:278:326:35
8:48
#13851
23M
23.00 mi13:47:313:17:028:3411:35
9:15
#13741
24M
24.00 mi13:56:173:25:488:358:46
8:46
#13589
40K
24.85 mi14:03:513:33:228:357:34
8:51
#13417
25.2M
25.20 mi14:07:203:36:518:363:29
10:06
#13359
Finish
26.22 mi14:15:413:45:128:368:21
8:12
#13194
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi132383858385812114(Top 47%)3312(Top 30%)3312(Top 205%)
10K6.21 mi3.10 mi13002+2363735+1233735+12312810(Top 50%)3658(Top 33%)3658(Top 227%)
15K9.32 mi3.11 mi12663+3393559+1763559+17612114(Top 47%)3312(Top 30%)3312(Top 205%)
20K12.43 mi3.11 mi12970-3073755-1963755-19613845(Top 54%)4332(Top 40%)4332(Top 269%)
Half13.11 mi0.68 mi13071-1013834-793834-7914805(Top 58%)4918(Top 45%)4918(Top 305%)
25K15.53 mi2.42 mi13757-6864250-4164250-41616354(Top 64%)5916(Top 54%)5916(Top 367%)
30K18.64 mi3.11 mi14134-3774559-3094559-30915676(Top 61%)5783(Top 53%)5783(Top 359%)
20M20.00 mi1.36 mi14015+1194551+84551+812768(Top 50%)4443(Top 41%)4443(Top 275%)
21M21.00 mi1.00 mi13963+524580-294580-2913453(Top 53%)5011(Top 46%)5011(Top 311%)
35K21.75 mi0.75 mi13851+1124548+324548+3212363(Top 48%)4462(Top 41%)4462(Top 277%)
23M23.00 mi1.25 mi13741+1104542+64542+612400(Top 49%)4612(Top 42%)4612(Top 286%)
24M24.00 mi1.00 mi13589+1524507+354507+3510967(Top 43%)3913(Top 36%)3913(Top 243%)
40K24.85 mi0.85 mi13417+1724447+604447+6010184(Top 40%)3658(Top 33%)3658(Top 227%)
25.2M25.20 mi0.35 mi13359+584433+144433+1411386(Top 45%)4286(Top 39%)4286(Top 266%)
Finish26.22 mi1.02 mi13194+1654380+534380+539768(Top 38%)3412(Top 31%)3412(Top 212%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

12114

Females

3312

F40-44

3312

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

12810

Females

3658

F40-44

3658

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

12114

Females

3312

F40-44

3312

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

13845

Females

4332

F40-44

4332

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

14805

Females

4918

F40-44

4918

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

16354

Females

5916

F40-44

5916

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

15676

Females

5783

F40-44

5783

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

12768

Females

4443

F40-44

4443

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

13453

Females

5011

F40-44

5011

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12363

Females

4462

F40-44

4462

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

12400

Females

4612

F40-44

4612

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

10967

Females

3913

F40-44

3913

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10184

Females

3658

F40-44

3658

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11386

Females

4286

F40-44

4286

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

9768

Females

3412

F40-44

3412

Passing Analysis

Category:
Athletes Passed
2580
Passed By
2536
Net Change
+44
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13238
5K → 10K426190+236#13238#13002
10K → 15K41374+339#13002#12663
15K → 20K193500-307#12663#12970
20K → Half24125-101#12970#13071
Half → 25K70756-686#13071#13757
25K → 30K178555-377#13757#14134
30K → 20M18970+119#14134#14015
20M → 21M158106+52#14015#13963
21M → 35K14533+112#13963#13851
35K → 23M17464+110#13851#13741
23M → 24M17119+152#13741#13589
24M → 40K19422+172#13589#13417
40K → 25.2M7517+58#13417#13359
25.2M → Finish1705+165#13359#13194
TOTALS25802536+44
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing