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BOSTON MARATHON 2023

Tongying Jiang

Bib: 32012•F

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0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Age Group (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

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
30:23
Rank: #22862
Start → 5K
30:23 | 9:47/mi
10K· 6.21 mi
1:02:03
Rank: #23596 (-734)
5K → 10K
31:40 | 10:12/mi
15K· 9.32 mi
1:33:26
Rank: #23660 (-64)
10K → 15K
31:23 | 10:06/mi
20K· 12.43 mi
2:07:28
Rank: #23935 (-275)
15K → 20K
34:02 | 10:57/mi
Half· 13.11 mi
2:14:16
Rank: #23891 (+44)
20K → Half
6:48 | 9:58/mi
25K· 15.53 mi
2:39:36
Rank: #23730 (+161)
Half → 25K
25:20 | 10:27/mi
30K· 18.64 mi
3:16:29
Rank: #23891 (-161)
25K → 30K
36:53 | 11:52/mi
20M
3:31:44
Rank: #23834 (+57)
30K → 20M
15:15 | 11:13/mi
21M
3:44:27
Rank: #23848 (-14)
20M → 21M
12:43 | 12:43/mi
35K· 21.75 mi
3:51:59
Rank: #23766 (+82)
21M → 35K
7:32 | 10:04/mi
23M
4:05:04
Rank: #23637 (+129)
35K → 23M
13:05 | 10:27/mi
24M
4:15:45
Rank: #23586 (+51)
23M → 24M
10:41 | 10:41/mi
40K· 24.85 mi
4:24:36
Rank: #23516 (+70)
24M → 40K
8:51 | 10:21/mi
25.2M
4:28:19
Rank: #23456 (+60)
40K → 25.2M
3:43 | 10:47/mi
Finish· 26.22 mi
4:38:19
Rank: #23391 (+65)
25.2M → Finish
10:00 | 9:49/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
Time2:14:16
Pace10:15 /mi
2nd Half
Distance13.11 mi
Time2:24:03
Pace10:59 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2230:239:4730:23
9:47
-
10K
6.21 mi12:23:021:02:039:5931:40
10:12
+0:25
15K
9.32 mi12:54:251:33:2610:0131:23
10:06
-0:06
20K
12.43 mi13:28:272:07:2810:1534:02
10:57
+0:51
Half
13.11 mi13:35:152:14:1610:156:48
9:58
-0:59
25K
15.53 mi14:00:352:39:3610:1625:20
10:27
+0:29
30K
18.64 mi14:37:283:16:2910:3236:53
11:52
+1:25
20M
20.00 mi14:52:433:31:4410:3515:15
11:13
-0:39
21M
21.00 mi15:05:263:44:2710:4112:43
12:43
+1:30
35K
21.75 mi15:12:583:51:5910:407:32
10:04
-2:39
23M
23.00 mi15:26:034:05:0410:3913:05
10:27
+0:23
24M
24.00 mi15:36:444:15:4510:3910:41
10:41
+0:14
40K
24.85 mi15:45:354:24:3610:398:51
10:21
-0:20
25.2M
25.20 mi15:49:184:28:1910:393:43
10:47
+0:26
Finish
26.22 mi15:59:184:38:1910:3710:00
9:49
-0:58

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

9:47 /mi

Average Pace

10:37 /mi

Slowest Pace

12:43 /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

47:11

17% of race

Time at Steady Pace

2:12:15

48% of race

Time at Slower Pace

1:38:53

36% of race

Average Pace: 10:37 /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 mi11:51:2230:239:4730:23
9:47
#22862
10K
6.21 mi12:23:021:02:039:5931:40
10:12
#23596
15K
9.32 mi12:54:251:33:2610:0131:23
10:06
#23660
20K
12.43 mi13:28:272:07:2810:1534:02
10:57
#23935
Half
13.11 mi13:35:152:14:1610:156:48
9:58
#23891
25K
15.53 mi14:00:352:39:3610:1625:20
10:27
#23730
30K
18.64 mi14:37:283:16:2910:3236:53
11:52
#23891
20M
20.00 mi14:52:433:31:4410:3515:15
11:13
#23834
21M
21.00 mi15:05:263:44:2710:4112:43
12:43
#23848
35K
21.75 mi15:12:583:51:5910:407:32
10:04
#23766
23M
23.00 mi15:26:034:05:0410:3913:05
10:27
#23637
24M
24.00 mi15:36:444:15:4510:3910:41
10:41
#23586
40K
24.85 mi15:45:354:24:3610:398:51
10:21
#23516
25.2M
25.20 mi15:49:184:28:1910:393:43
10:47
#23456
Finish
26.22 mi15:59:184:38:1910:3710:00
9:49
#23391
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi228629311931123700(Top 89%)9725(Top 85%)9725(Top 199%)
10K6.21 mi3.10 mi23596-7349674-3639674-36324118(Top 91%)9952(Top 87%)9952(Top 204%)
15K9.32 mi3.11 mi23660-649707-339707-3323700(Top 89%)9725(Top 85%)9725(Top 199%)
20K12.43 mi3.11 mi23935-2759852-1459852-14524565(Top 92%)10236(Top 90%)10236(Top 210%)
Half13.11 mi0.68 mi23891+449826+269826+2623227(Top 87%)9481(Top 83%)9481(Top 194%)
25K15.53 mi2.42 mi23730+1619752+749752+7423100(Top 87%)9446(Top 83%)9446(Top 193%)
30K18.64 mi3.11 mi23891-1619856-1049856-10424349(Top 91%)10190(Top 89%)10190(Top 209%)
20M20.00 mi1.36 mi23834+579833+239833+2323057(Top 87%)9546(Top 84%)9546(Top 195%)
21M21.00 mi1.00 mi23848-149853-209853-2023736(Top 89%)9944(Top 87%)9944(Top 204%)
35K21.75 mi0.75 mi23766+829811+429811+4221515(Top 81%)8781(Top 77%)8781(Top 180%)
23M23.00 mi1.25 mi23637+1299749+629749+6221207(Top 80%)8634(Top 76%)8634(Top 177%)
24M24.00 mi1.00 mi23586+519730+199730+1922434(Top 84%)9333(Top 82%)9333(Top 191%)
40K24.85 mi0.85 mi23516+709700+309700+3020892(Top 78%)8544(Top 75%)8544(Top 175%)
25.2M25.20 mi0.35 mi23456+609682+189682+1819977(Top 75%)8066(Top 71%)8066(Top 165%)
Finish26.22 mi1.02 mi23391+659659+239659+2321223(Top 80%)8680(Top 76%)8680(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23700

Females

9725

F18-39

9725

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

24118

Females

9952

F18-39

9952

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23700

Females

9725

F18-39

9725

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

24565

Females

10236

F18-39

10236

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

23227

Females

9481

F18-39

9481

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

23100

Females

9446

F18-39

9446

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

24349

Females

10190

F18-39

10190

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

23057

Females

9546

F18-39

9546

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23736

Females

9944

F18-39

9944

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21515

Females

8781

F18-39

8781

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21207

Females

8634

F18-39

8634

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22434

Females

9333

F18-39

9333

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20892

Females

8544

F18-39

8544

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19977

Females

8066

F18-39

8066

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21223

Females

8680

F18-39

8680

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1056
Passed By
1585
Net Change
-529
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22862
5K → 10K32766-734#22862#23596
10K → 15K91155-64#23596#23660
15K → 20K42317-275#23660#23935
20K → Half539+44#23935#23891
Half → 25K17615+161#23891#23730
25K → 30K57218-161#23730#23891
30K → 20M7619+57#23891#23834
20M → 21M4559-14#23834#23848
21M → 35K842+82#23848#23766
35K → 23M1356+129#23766#23637
23M → 24M587+51#23637#23586
24M → 40K711+70#23586#23516
40K → 25.2M622+60#23516#23456
25.2M → Finish749+65#23456#23391
TOTALS10561585-529
📊

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