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BOSTON MARATHON 2024

Nian Zhao

Bib: 14116•F

NJ

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 30%
Gender (Female)
#0 / 10924
Top 15%
Division (F18-39)
#0 / 4660
Top 27%
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
7:34/mi
23:29
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
47:37
↑ 79↓ 1380.4%
15K· 9.32 mi
7:35/mi
1:11:11
↑ 67↓ 78
20K· 12.43 mi
7:43/mi
1:35:11
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:40:17
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
1:59:06
↑ 66↓ 880.2%
30K· 18.64 mi
8:03/mi
2:24:07
↑ 181↓ 1480.2%
20M
8:01/mi
2:35:00
↑ 64↓ 500.2%
21M
8:22/mi
2:43:22
↑ 106↓ 241.6%
35K· 21.75 mi
7:32/mi
2:49:00
↑ 17↓ 861.7%
23M
7:48/mi
2:58:46
↑ 23↓ 630.6%
24M
7:40/mi
3:06:26
↓ 821.3%
40K· 24.85 mi
7:40/mi
3:12:59
↓ 200.3%
25.2M
8:27/mi
3:15:54
↑ 13↓ 160.2%
Finish· 26.22 mi
7:20/mi
3:23:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:17
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:43:05
Pace7:52 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4423:297:3423:29
7:34
-
10K
6.21 mi11:18:5247:377:4024:08
7:46
+0:12
15K
9.32 mi11:42:261:11:117:3823:34
7:35
-0:11
20K
12.43 mi12:06:261:35:117:4024:00
7:43
+0:08
Half
13.11 mi12:11:321:40:177:395:06
7:29
-0:14
25K
15.53 mi12:30:211:59:067:4018:49
7:46
+0:17
30K
18.64 mi12:55:222:24:077:4425:01
8:03
+0:17
20M
20.00 mi13:06:152:35:007:4510:53
8:01
-0:02
21M
21.00 mi13:14:372:43:227:478:22
8:22
+0:21
35K
21.75 mi13:20:152:49:007:465:38
7:32
-0:50
23M
23.00 mi13:30:012:58:467:469:46
7:48
+0:16
24M
24.00 mi13:37:413:06:267:467:40
7:40
-0:08
40K
24.85 mi13:44:143:12:597:466:33
7:40
0:00
25.2M
25.20 mi13:47:093:15:547:462:55
8:27
+0:47
Finish
26.22 mi13:54:373:23:227:467:28
7:20
-1:07

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

7:20 /mi

Average Pace

7:46 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:05

94% of race

Time at Steady Pace

11:17

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:45 /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 mi10:54:4423:297:3423:29
7:34
#11247
10K
6.21 mi11:18:5247:377:4024:08
7:46
#11765
15K
9.32 mi11:42:261:11:117:3823:34
7:35
#11254
20K
12.43 mi12:06:261:35:117:4024:00
7:43
#10867
Half
13.11 mi12:11:321:40:177:395:06
7:29
#10749
25K
15.53 mi12:30:211:59:067:4018:49
7:46
#10284
30K
18.64 mi12:55:222:24:077:4425:01
8:03
#9764
20M
20.00 mi13:06:152:35:007:4510:53
8:01
#9436
21M
21.00 mi13:14:372:43:227:478:22
8:22
#9092
35K
21.75 mi13:20:152:49:007:465:38
7:32
#8882
23M
23.00 mi13:30:012:58:467:469:46
7:48
#8539
24M
24.00 mi13:37:413:06:267:467:40
7:40
#8294
40K
24.85 mi13:44:143:12:597:466:33
7:40
#8066
25.2M
25.20 mi13:47:093:15:547:462:55
8:27
#7951
Finish
26.22 mi13:54:373:23:227:467:28
7:20
#7738
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi112472694269410328(Top 40%)2341(Top 21%)2341(Top 50%)
10K6.21 mi3.10 mi11765-5183032-3383032-33812390(Top 48%)3400(Top 31%)3400(Top 73%)
15K9.32 mi3.11 mi11254+5112771+2612771+26110328(Top 40%)2341(Top 21%)2341(Top 50%)
20K12.43 mi3.11 mi10867+3872589+1822589+1829919(Top 39%)2282(Top 21%)2282(Top 49%)
Half13.11 mi0.68 mi10749+1182537+522537+528973(Top 35%)1799(Top 16%)1799(Top 39%)
25K15.53 mi2.42 mi10284+4652356+1812356+1818694(Top 34%)1861(Top 17%)1861(Top 40%)
30K18.64 mi3.11 mi9764+5202193+1632193+1638168(Top 32%)1839(Top 17%)1839(Top 39%)
20M20.00 mi1.36 mi9436+3282089+1042089+1046842(Top 27%)1479(Top 14%)1479(Top 32%)
21M21.00 mi1.00 mi9092+3441986+1031986+1035647(Top 22%)1146(Top 10%)1146(Top 25%)
35K21.75 mi0.75 mi8882+2101918+681918+685236(Top 20%)996(Top 9%)996(Top 21%)
23M23.00 mi1.25 mi8539+3431827+911827+914825(Top 19%)942(Top 9%)942(Top 20%)
24M24.00 mi1.00 mi8294+2451764+631764+634903(Top 19%)1050(Top 10%)1050(Top 23%)
40K24.85 mi0.85 mi8066+2281701+631701+634210(Top 16%)871(Top 8%)871(Top 19%)
25.2M25.20 mi0.35 mi7951+1151673+281673+284350(Top 17%)978(Top 9%)978(Top 21%)
Finish26.22 mi1.02 mi7738+2131624+491624+494698(Top 18%)1055(Top 10%)1055(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10328

Females

2341

F18-39

2341

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12390

Females

3400

F18-39

3400

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10328

Females

2341

F18-39

2341

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

9919

Females

2282

F18-39

2282

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

8973

Females

1799

F18-39

1799

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

8694

Females

1861

F18-39

1861

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8168

Females

1839

F18-39

1839

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

6842

Females

1479

F18-39

1479

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

5647

Females

1146

F18-39

1146

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5236

Females

996

F18-39

996

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

4825

Females

942

F18-39

942

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

4903

Females

1050

F18-39

1050

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4210

Females

871

F18-39

871

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4350

Females

978

F18-39

978

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4698

Females

1055

F18-39

1055

Passing Analysis

Category:
Athletes Passed
4344
Passed By
835
Net Change
+3509
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11247
5K → 10K121639-518#11247#11765
10K → 15K54332+511#11765#11254
15K → 20K43043+387#11254#10867
20K → Half1246+118#10867#10749
Half → 25K49025+465#10749#10284
25K → 30K57252+520#10284#9764
30K → 20M3379+328#9764#9436
20M → 21M3473+344#9436#9092
21M → 35K2133+210#9092#8882
35K → 23M3485+343#8882#8539
23M → 24M2505+245#8539#8294
24M → 40K2302+228#8294#8066
40K → 25.2M1150+115#8066#7951
25.2M → Finish22411+213#7951#7738
TOTALS4344835+3509
📊

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