Boston Marathon logo
BOSTON MARATHON 2023

Yinong Ding

Bib: 24180•F

VA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
9:38/mi
29:56
↑ 97↓ 3451.5%
10K· 6.21 mi
8:48/mi
57:15
↑ 79↓ 1380.4%
15K· 9.32 mi
8:46/mi
1:24:28
↑ 67↓ 78
20K· 12.43 mi
8:55/mi
1:52:09
↑ 106↓ 860.1%
Half· 13.11 mi
8:46/mi
1:58:08
↑ 19↓ 370.5%
25K· 15.53 mi
9:04/mi
2:20:06
↑ 66↓ 880.2%
30K· 18.64 mi
9:22/mi
2:49:12
↑ 181↓ 1480.2%
20M
9:46/mi
3:02:29
↑ 64↓ 500.2%
21M
10:27/mi
3:12:56
↑ 106↓ 241.6%
35K· 21.75 mi
9:39/mi
3:20:09
↑ 17↓ 861.7%
23M
9:53/mi
3:32:32
↑ 23↓ 630.6%
24M
9:58/mi
3:42:30
↓ 821.3%
40K· 24.85 mi
9:59/mi
3:51:02
↓ 200.3%
25.2M
11:19/mi
3:54:56
↑ 13↓ 160.2%
Finish· 26.22 mi
9:35/mi
4:04:42
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:08
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:06:34
Pace9:39 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5029:569:3829:56
9:38
-
10K
6.21 mi12:16:0957:159:1327:19
8:48
-0:50
15K
9.32 mi12:43:221:24:289:0427:13
8:46
-0:02
20K
12.43 mi13:11:031:52:099:0127:41
8:55
+0:09
Half
13.11 mi13:17:021:58:089:015:59
8:46
-0:09
25K
15.53 mi13:39:002:20:069:0121:58
9:04
+0:18
30K
18.64 mi14:08:062:49:129:0529:06
9:22
+0:18
20M
20.00 mi14:21:233:02:299:0713:17
9:46
+0:24
21M
21.00 mi14:31:503:12:569:1110:27
10:27
+0:41
35K
21.75 mi14:39:033:20:099:127:13
9:39
-0:48
23M
23.00 mi14:51:263:32:329:1412:23
9:53
+0:14
24M
24.00 mi15:01:243:42:309:169:58
9:58
+0:05
40K
24.85 mi15:09:563:51:029:188:32
9:59
+0:01
25.2M
25.20 mi15:13:503:54:569:193:54
11:19
+1:20
Finish
26.22 mi15:23:364:04:429:209:46
9:35
-1:44

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

8:46 /mi

Average Pace

9:20 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:10

45% of race

Time at Steady Pace

1:51:39

46% of race

Time at Slower Pace

22:53

9% of race

Average Pace: 9:20 /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 mi11:48:5029:569:3829:56
9:38
#22476
10K
6.21 mi12:16:0957:159:1327:19
8:48
#21446
15K
9.32 mi12:43:221:24:289:0427:13
8:46
#20853
20K
12.43 mi13:11:031:52:099:0127:41
8:55
#20471
Half
13.11 mi13:17:021:58:089:015:59
8:46
#20423
25K
15.53 mi13:39:002:20:069:0121:58
9:04
#20208
30K
18.64 mi14:08:062:49:129:0529:06
9:22
#19952
20M
20.00 mi14:21:233:02:299:0713:17
9:46
#19932
21M
21.00 mi14:31:503:12:569:1110:27
10:27
#19897
35K
21.75 mi14:39:033:20:099:127:13
9:39
#19914
23M
23.00 mi14:51:263:32:329:1412:23
9:53
#19901
24M
24.00 mi15:01:243:42:309:169:58
9:58
#19957
40K
24.85 mi15:09:563:51:029:188:32
9:59
#19962
25.2M
25.20 mi15:13:503:54:569:193:54
11:19
#19987
Finish
26.22 mi15:23:364:04:429:209:46
9:35
#19998
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi224769122912219315(Top 73%)7281(Top 64%)7281(Top 1382%)
10K6.21 mi3.10 mi21446+10308556+5668556+56619895(Top 75%)7640(Top 67%)7640(Top 1450%)
15K9.32 mi3.11 mi20853+5938206+3508206+35019315(Top 73%)7281(Top 64%)7281(Top 1382%)
20K12.43 mi3.11 mi20471+3827985+2217985+22119265(Top 72%)7252(Top 63%)7252(Top 1376%)
Half13.11 mi0.68 mi20423+487953+327953+3219393(Top 73%)7326(Top 64%)7326(Top 1390%)
25K15.53 mi2.42 mi20208+2157824+1297824+12919257(Top 72%)7287(Top 64%)7287(Top 1383%)
30K18.64 mi3.11 mi19952+2567706+1187706+11818891(Top 71%)7140(Top 63%)7140(Top 1355%)
20M20.00 mi1.36 mi19932+207702+47702+419787(Top 74%)7742(Top 68%)7742(Top 1469%)
21M21.00 mi1.00 mi19897+357683+197683+1919451(Top 73%)7614(Top 67%)7614(Top 1445%)
35K21.75 mi0.75 mi19914-177705-227705-2220314(Top 76%)8114(Top 71%)8114(Top 1540%)
23M23.00 mi1.25 mi19901+137702+37702+319676(Top 74%)7783(Top 68%)7783(Top 1477%)
24M24.00 mi1.00 mi19957-567749-477749-4720710(Top 78%)8390(Top 73%)8390(Top 1592%)
40K24.85 mi0.85 mi19962-57762-137762-1319912(Top 75%)8013(Top 70%)8013(Top 1520%)
25.2M25.20 mi0.35 mi19987-257781-197781-1921151(Top 79%)8673(Top 76%)8673(Top 1646%)
Finish26.22 mi1.02 mi19998-117793-127793-1220433(Top 77%)8262(Top 72%)8262(Top 1568%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19315

Females

7281

F60-64

7281

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

19895

Females

7640

F60-64

7640

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19315

Females

7281

F60-64

7281

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

19265

Females

7252

F60-64

7252

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

19393

Females

7326

F60-64

7326

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19257

Females

7287

F60-64

7287

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18891

Females

7140

F60-64

7140

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19787

Females

7742

F60-64

7742

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19451

Females

7614

F60-64

7614

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

20314

Females

8114

F60-64

8114

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

19676

Females

7783

F60-64

7783

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20710

Females

8390

F60-64

8390

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19912

Females

8013

F60-64

8013

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21151

Females

8673

F60-64

8673

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20433

Females

8262

F60-64

8262

Passing Analysis

Category:
Athletes Passed
3112
Passed By
634
Net Change
+2478
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22476
5K → 10K105020+1030#22476#21446
10K → 15K61017+593#21446#20853
15K → 20K41331+382#20853#20471
20K → Half557+48#20471#20423
Half → 25K24833+215#20423#20208
25K → 30K29337+256#20208#19952
30K → 20M9070+20#19952#19932
20M → 21M9964+35#19932#19897
21M → 35K3754-17#19897#19914
35K → 23M8370+13#19914#19901
23M → 24M3389-56#19901#19957
24M → 40K4853-5#19957#19962
40K → 25.2M1338-25#19962#19987
25.2M → Finish4051-11#19987#19998
TOTALS3112634+2478
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing