Boston Marathon logo
BOSTON MARATHON 2023

Qingling Lu

WA

Bib: 10298 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:27/mi
26:14
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:42/mi
53:15
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:35/mi
1:19:55
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:49/mi
1:47:19
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:54/mi
1:53:23
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:07/mi
2:15:30
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:15/mi
2:44:14
↑ 181↓ 1480.2%
138 ft elev
20M
9:42/mi
2:57:25
↑ 64↓ 500.2%
148 ft elev
21M
10:07/mi
3:07:32
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:59/mi
3:15:00
↑ 17↓ 861.7%
156 ft elev
23M
10:10/mi
3:27:44
↑ 23↓ 630.6%
116 ft elev
24M
10:21/mi
3:38:05
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:30/mi
3:47:04
↓ 200.3%
20 ft elev
25.2M
10:26/mi
3:50:40
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:54/mi
4:00:45
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:23
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:07:22
Pace9:43 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0426:148:2726:14
8:27
-
10K
6.21 mi11:20:0553:158:3427:01
8:42
+0:15
15K
9.32 mi11:46:451:19:558:3426:40
8:35
-0:07
20K
12.43 mi12:14:091:47:198:3827:24
8:49
+0:14
Half
13.11 mi12:20:131:53:238:396:04
8:54
+0:05
25K
15.53 mi12:42:202:15:308:4322:07
9:07
+0:13
30K
18.64 mi13:11:042:44:148:4928:44
9:15
+0:08
20M
20.00 mi13:24:152:57:258:5213:11
9:42
+0:27
21M
21.00 mi13:34:223:07:328:5610:07
10:07
+0:25
35K
21.75 mi13:41:503:15:008:587:28
9:59
-0:08
23M
23.00 mi13:54:343:27:449:0212:44
10:10
+0:11
24M
24.00 mi14:04:553:38:059:0510:21
10:21
+0:11
40K
24.85 mi14:13:543:47:049:088:59
10:30
+0:09
25.2M
25.20 mi14:17:303:50:409:093:36
10:26
-0:04
Finish
26.22 mi14:27:354:00:459:1110:05
9:54
-0:32

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

8:27 /mi

Average Pace

9:11 /mi

Slowest Pace

10:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:14

68% of race

Time at Steady Pace

30:44

13% of race

Time at Slower Pace

45:47

19% of race

Average Pace: 9:11 /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 mi10:53:0426:148:2726:14
8:27
#17166
10K
6.21 mi11:20:0553:158:3427:01
8:42
#18326
15K
9.32 mi11:46:451:19:558:3426:40
8:35
#18322
20K
12.43 mi12:14:091:47:198:3827:24
8:49
#18415
Half
13.11 mi12:20:131:53:238:396:04
8:54
#18505
25K
15.53 mi12:42:202:15:308:4322:07
9:07
#18697
30K
18.64 mi13:11:042:44:148:4928:44
9:15
#18646
20M
20.00 mi13:24:152:57:258:5213:11
9:42
#18736
21M
21.00 mi13:34:223:07:328:5610:07
10:07
#18697
35K
21.75 mi13:41:503:15:008:587:28
9:59
#18852
23M
23.00 mi13:54:343:27:449:0212:44
10:10
#18988
24M
24.00 mi14:04:553:38:059:0510:21
10:21
#19163
40K
24.85 mi14:13:543:47:049:088:59
10:30
#19300
25.2M
25.20 mi14:17:303:50:409:093:36
10:26
#19315
Finish
26.22 mi14:27:354:00:459:1110:05
9:54
#19436
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi17166111081110818325(Top 69%)11615(Top 77%)11615(Top 516%)
10K6.21 mi3.10 mi18326-116011594-48611594-48619394(Top 73%)12060(Top 79%)12060(Top 536%)
15K9.32 mi3.11 mi18322+411598-411598-418325(Top 69%)11615(Top 77%)11615(Top 516%)
20K12.43 mi3.11 mi18415-9311634-3611634-3618784(Top 71%)11806(Top 78%)11806(Top 524%)
Half13.11 mi0.68 mi18505-9011680-4611680-4619928(Top 75%)12281(Top 81%)12281(Top 545%)
25K15.53 mi2.42 mi18697-19211728-4811728-4819510(Top 73%)12058(Top 79%)12058(Top 535%)
30K18.64 mi3.11 mi18646+5111684+4411684+4418389(Top 69%)11511(Top 76%)11511(Top 511%)
20M20.00 mi1.36 mi18736-9011715-3111715-3119552(Top 73%)11924(Top 79%)11924(Top 529%)
21M21.00 mi1.00 mi18697+3911691+2411691+2418446(Top 69%)11406(Top 75%)11406(Top 506%)
35K21.75 mi0.75 mi18852-15511744-5311744-5321184(Top 80%)12566(Top 83%)12566(Top 558%)
23M23.00 mi1.25 mi18988-13611793-4911793-4920478(Top 77%)12238(Top 81%)12238(Top 543%)
24M24.00 mi1.00 mi19163-17511860-6711860-6721654(Top 81%)12710(Top 84%)12710(Top 564%)
40K24.85 mi0.85 mi19300-13711911-5111911-5121219(Top 80%)12461(Top 82%)12461(Top 553%)
25.2M25.20 mi0.35 mi19315-1511913-211913-218883(Top 71%)11418(Top 75%)11418(Top 507%)
Finish26.22 mi1.02 mi19436-12111953-4011953-4021454(Top 81%)12614(Top 83%)12614(Top 560%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18325

Males

11615

M45-49

11615

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19394

Males

12060

M45-49

12060

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18325

Males

11615

M45-49

11615

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18784

Males

11806

M45-49

11806

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

19928

Males

12281

M45-49

12281

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

19510

Males

12058

M45-49

12058

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18389

Males

11511

M45-49

11511

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19552

Males

11924

M45-49

11924

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18446

Males

11406

M45-49

11406

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

21184

Males

12566

M45-49

12566

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20478

Males

12238

M45-49

12238

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21654

Males

12710

M45-49

12710

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21219

Males

12461

M45-49

12461

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18883

Males

11418

M45-49

11418

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21454

Males

12614

M45-49

12614

Passing Analysis

Category:
Athletes Passed
942
Passed By
3212
Net Change
-2270
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17166
5K → 10K451205-1160#17166#18326
10K → 15K188184+4#18326#18322
15K → 20K123216-93#18322#18415
20K → Half898-90#18415#18505
Half → 25K79271-192#18505#18697
25K → 30K193142+51#18697#18646
30K → 20M58148-90#18646#18736
20M → 21M10869+39#18736#18697
21M → 35K20175-155#18697#18852
35K → 23M35171-136#18852#18988
23M → 24M23198-175#18988#19163
24M → 40K24161-137#19163#19300
40K → 25.2M2035-15#19300#19315
25.2M → Finish18139-121#19315#19436
TOTALS9423212-2270
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing