Boston Marathon logo
BOSTON MARATHON 2023

Hongwei Li

VA

Bib: 17125 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 41%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 45%
Division (M55-59)
#0 / 1422
Top 28%
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
8:03/mi
25:02
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:48/mi
49:16
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:43/mi
1:13:14
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:51/mi
1:37:37
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:40/mi
1:42:51
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:54/mi
2:02:00
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:00/mi
2:26:50
↑ 181↓ 1480.2%
138 ft elev
20M
8:07/mi
2:37:52
↑ 64↓ 500.2%
148 ft elev
21M
8:21/mi
2:46:13
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:12/mi
2:51:36
↑ 17↓ 861.7%
156 ft elev
23M
7:40/mi
3:01:12
↑ 23↓ 630.6%
116 ft elev
24M
7:46/mi
3:08:58
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:42/mi
3:15:33
↓ 200.3%
20 ft elev
25.2M
8:04/mi
3:18:20
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:15/mi
3:25:43
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:42:517:51 /mi⚖️ balanced
2nd Half
1:42:527:51 /mi⚖️ balanced
Even split — consistent pacing between halves
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
25:028:033.11 mi25:02
8:03
-
10K
49:167:563.10 mi24:14
7:48
-0:15
15K
1:13:147:513.11 mi23:58
7:43
-0:05
20K
1:37:377:513.11 mi24:23
7:51
+0:08
Half(13.11 mi)
1:42:517:510.68 mi5:14
7:40
-0:11
25K
2:02:007:512.42 mi19:09
7:54
+0:14
30K
2:26:507:533.11 mi24:50
8:00
+0:06
20M
2:37:527:541.36 mi11:02
8:07
+0:07
21M
2:46:137:551.00 mi8:21
8:21
+0:14
35K
2:51:367:530.75 mi5:23
7:12
-1:09
23M
3:01:127:531.25 mi9:36
7:40
+0:28
24M
3:08:587:521.00 mi7:46
7:46
+0:06
40K
3:15:337:520.85 mi6:35
7:42
-0:04
25.2M
3:18:207:520.35 mi2:47
8:04
+0:22
Finish(26.22 mi)
3:25:437:511.02 mi7:23
7:15
-0:49
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:12 /mi

Average Pace

7:51 /mi

Slowest Pace

8:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:13:41

65% of race

Time at Steady Pace

1:12:02

35% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:51 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi1439510108101081194190529052
10K3.10 mi13801+5949855+2539855+2531309595859585
15K3.11 mi13192+6099599+2569599+2561194190529052
20K3.11 mi12898+2949458+1419458+1411213190669066
Half(13.11 mi)0.68 mi12817+819426+329426+321155488678867
25K2.42 mi12630+1879318+1089318+1081188788568856
30K3.11 mi12271+3599114+2049114+2041083382598259
20M1.36 mi12158+1139053+619053+611113483188318
21M1.00 mi11985+1738963+908963+90952473627362
35K0.75 mi11769+2168857+1068857+106652056005600
23M1.25 mi11460+3098696+1618696+161755061596159
24M1.00 mi11350+1108624+728624+72952371717171
40K0.85 mi11189+1618526+988526+98798762506250
25.2M0.35 mi11089+1008464+628464+62691955515551
Finish(26.22 mi)1.02 mi10886+2038335+1298335+129673754105410

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11941

Males

9052

M55-59

9052

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13095

Males

9585

M55-59

9585

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11941

Males

9052

M55-59

9052

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12131

Males

9066

M55-59

9066

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11554

Males

8867

M55-59

8867

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

11887

Males

8856

M55-59

8856

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10833

Males

8259

M55-59

8259

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11134

Males

8318

M55-59

8318

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9524

Males

7362

M55-59

7362

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6520

Males

5600

M55-59

5600

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7550

Males

6159

M55-59

6159

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9523

Males

7171

M55-59

7171

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7987

Males

6250

M55-59

6250

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6919

Males

5551

M55-59

5551

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6737

Males

5410

M55-59

5410

Passing Analysis

Category:
Passed
3890
Passed By
381
Net Change
+3509
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14395
5K → 10K697103+594#14395#13801
10K → 15K63627+609#13801#13192
15K → 20K35460+294#13192#12898
20K → Half876+81#12898#12817
Half → 25K24356+187#12817#12630
25K → 30K40243+359#12630#12271
30K → 20M15138+113#12271#12158
20M → 21M19219+173#12158#11985
21M → 35K2171+216#11985#11769
35K → 23M3134+309#11769#11460
23M → 24M12212+110#11460#11350
24M → 40K1698+161#11350#11189
40K → 25.2M1011+100#11189#11089
25.2M → Finish2063+203#11089#10886
TOTALS3890381+3509

Passing Charts

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