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BOSTON MARATHON 2024

Shihong Ni

Bib: 16959•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 39%
Masters (Masters Women)
#0 / 6263
Top 27%
Division (F45-49)
#0 / 1753
Top 34%
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
7:56/mi
24:39
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
49:49
↑ 79↓ 1380.4%
15K· 9.32 mi
8:11/mi
1:15:14
↑ 67↓ 78
20K· 12.43 mi
8:29/mi
1:41:34
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:47:07
↑ 19↓ 370.5%
25K· 15.53 mi
8:36/mi
2:07:59
↑ 66↓ 880.2%
30K· 18.64 mi
9:01/mi
2:35:59
↑ 181↓ 1480.2%
20M
9:07/mi
2:48:22
↑ 64↓ 500.2%
21M
9:54/mi
2:58:16
↑ 106↓ 241.6%
35K· 21.75 mi
8:15/mi
3:04:26
↑ 17↓ 861.7%
23M
9:13/mi
3:15:59
↑ 23↓ 630.6%
24M
8:17/mi
3:24:16
↓ 821.3%
40K· 24.85 mi
9:04/mi
3:32:01
↓ 200.3%
25.2M
10:21/mi
3:35:35
↑ 13↓ 160.2%
Finish· 26.22 mi
8:39/mi
3:44:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:07
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:57:17
Pace8:57 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0424:397:5624:39
7:56
-
10K
6.21 mi11:40:1449:498:0125:10
8:06
+0:10
15K
9.32 mi12:05:391:15:148:0425:25
8:11
+0:05
20K
12.43 mi12:31:591:41:348:1026:20
8:29
+0:18
Half
13.11 mi12:37:321:47:078:105:33
8:08
-0:21
25K
15.53 mi12:58:242:07:598:1420:52
8:36
+0:28
30K
18.64 mi13:26:242:35:598:2228:00
9:01
+0:25
20M
20.00 mi13:38:472:48:228:2512:23
9:07
+0:06
21M
21.00 mi13:48:412:58:168:299:54
9:54
+0:47
35K
21.75 mi13:54:513:04:268:296:10
8:15
-1:39
23M
23.00 mi14:06:243:15:598:3111:33
9:13
+0:58
24M
24.00 mi14:14:413:24:168:318:17
8:17
-0:56
40K
24.85 mi14:22:263:32:018:327:45
9:04
+0:47
25.2M
25.20 mi14:26:003:35:358:333:34
10:21
+1:17
Finish
26.22 mi14:34:493:44:248:348:49
8:39
-1:42

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

7:56 /mi

Average Pace

8:34 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:57

39% of race

Time at Steady Pace

1:04:18

29% of race

Time at Slower Pace

1:13:09

33% of race

Average Pace: 8:34 /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 mi11:15:0424:397:5624:39
7:56
#14149
10K
6.21 mi11:40:1449:498:0125:10
8:06
#14547
15K
9.32 mi12:05:391:15:148:0425:25
8:11
#14527
20K
12.43 mi12:31:591:41:348:1026:20
8:29
#14564
Half
13.11 mi12:37:321:47:078:105:33
8:08
#14487
25K
15.53 mi12:58:242:07:598:1420:52
8:36
#14285
30K
18.64 mi13:26:242:35:598:2228:00
9:01
#14012
20M
20.00 mi13:38:472:48:228:2512:23
9:07
#13896
21M
21.00 mi13:48:412:58:168:299:54
9:54
#13776
35K
21.75 mi13:54:513:04:268:296:10
8:15
#13579
23M
23.00 mi14:06:243:15:598:3111:33
9:13
#13484
24M
24.00 mi14:14:413:24:168:318:17
8:17
#13207
40K
24.85 mi14:22:263:32:018:327:45
9:04
#13098
25.2M
25.20 mi14:26:003:35:358:333:34
10:21
#13054
Finish
26.22 mi14:34:493:44:248:348:49
8:39
#12999
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi141494410441014609(Top 57%)4727(Top 43%)4727(Top 270%)
10K6.21 mi3.10 mi14547-3984657-2474657-24714874(Top 58%)4860(Top 44%)4860(Top 277%)
15K9.32 mi3.11 mi14527+204653+44653+414609(Top 57%)4727(Top 43%)4727(Top 270%)
20K12.43 mi3.11 mi14564-374692-394692-3914678(Top 57%)4814(Top 44%)4814(Top 275%)
Half13.11 mi0.68 mi14487+774663+294663+2913651(Top 53%)4280(Top 39%)4280(Top 244%)
25K15.53 mi2.42 mi14285+2024568+954568+9513629(Top 53%)4397(Top 40%)4397(Top 251%)
30K18.64 mi3.11 mi14012+2734489+794489+7913295(Top 52%)4446(Top 41%)4446(Top 254%)
20M20.00 mi1.36 mi13896+1164478+114478+1112714(Top 50%)4412(Top 40%)4412(Top 252%)
21M21.00 mi1.00 mi13776+1204468+104468+1012593(Top 49%)4574(Top 42%)4574(Top 261%)
35K21.75 mi0.75 mi13579+1974397+714397+719289(Top 36%)2875(Top 26%)2875(Top 164%)
23M23.00 mi1.25 mi13484+954402-54402-512263(Top 48%)4538(Top 42%)4538(Top 259%)
24M24.00 mi1.00 mi13207+2774297+1054297+1058255(Top 32%)2619(Top 24%)2619(Top 149%)
40K24.85 mi0.85 mi13098+1094278+194278+1911189(Top 44%)4143(Top 38%)4143(Top 236%)
25.2M25.20 mi0.35 mi13054+444273+54273+512276(Top 48%)4737(Top 43%)4737(Top 270%)
Finish26.22 mi1.02 mi12999+554282-94282-912375(Top 48%)4651(Top 43%)4651(Top 265%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

14609

Females

4727

F45-49

4727

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

14874

Females

4860

F45-49

4860

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

14609

Females

4727

F45-49

4727

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

14678

Females

4814

F45-49

4814

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

13651

Females

4280

F45-49

4280

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

13629

Females

4397

F45-49

4397

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13295

Females

4446

F45-49

4446

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

12714

Females

4412

F45-49

4412

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

12593

Females

4574

F45-49

4574

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9289

Females

2875

F45-49

2875

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12263

Females

4538

F45-49

4538

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8255

Females

2619

F45-49

2619

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11189

Females

4143

F45-49

4143

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12276

Females

4737

F45-49

4737

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12375

Females

4651

F45-49

4651

Passing Analysis

Category:
Athletes Passed
2783
Passed By
1633
Net Change
+1150
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14149
5K → 10K153551-398#14149#14547
10K → 15K250230+20#14547#14527
15K → 20K232269-37#14527#14564
20K → Half8811+77#14564#14487
Half → 25K305103+202#14487#14285
25K → 30K406133+273#14285#14012
30K → 20M18771+116#14012#13896
20M → 21M20686+120#13896#13776
21M → 35K1992+197#13776#13579
35K → 23M16570+95#13579#13484
23M → 24M2869+277#13484#13207
24M → 40K13728+109#13207#13098
40K → 25.2M5713+44#13098#13054
25.2M → Finish11257+55#13054#12999
TOTALS27831633+1150
📊

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