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BOSTON MARATHON 2026

Jian Gu

Bib: 15305•M

TX

Masters
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0:00
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Overall
#0 / 29021
Top 38%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 40%
Age Group (M55-59)
#0 / 1491
Top 23%
Race Day Weather
51°/41°F
overcast clouds

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
22:27
Rank: #10400
Start → 5K
22:27 | 7:14/mi
10K· 6.21 mi
45:00
Rank: #10583 (-183)
5K → 10K
22:33 | 7:16/mi
15K· 9.32 mi
1:07:41
Rank: #10702 (-119)
10K → 15K
22:41 | 7:19/mi
20K· 12.43 mi
1:30:47
Rank: #10867 (-165)
15K → 20K
23:06 | 7:27/mi
HALF· 13.11 mi
1:35:44
Rank: #10845 (+22)
20K → HALF
4:57 | 7:16/mi
25K· 15.53 mi
1:53:43
Rank: #10777 (+68)
HALF → 25K
17:59 | 7:25/mi
30K· 18.64 mi
2:17:39
Rank: #10847 (-70)
25K → 30K
23:56 | 7:43/mi
20M
2:28:02
Rank: #10771 (+76)
30K → 20M
10:23 | 7:39/mi
21M
2:36:26
Rank: #10858 (-87)
20M → 21M
8:24 | 8:24/mi
35K· 21.75 mi
2:42:07
Rank: #10872 (-14)
21M → 35K
5:41 | 7:36/mi
23M
2:52:04
Rank: #10901 (-29)
35K → 23M
9:57 | 7:58/mi
24M
2:59:48
Rank: #10896 (+5)
23M → 24M
7:44 | 7:44/mi
40K· 24.85 mi
3:06:35
Rank: #10917 (-21)
24M → 40K
6:47 | 7:57/mi
25.2M
3:09:31
Rank: #10911 (+6)
40K → 25.2M
2:56 | 8:31/mi
FINISH· 26.22 mi
3:17:17
Rank: #10934 (-23)
25.2M → FINISH
7:46 | 7:38/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
Time1:35:44
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:41:33
Pace7:45 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3722:277:1422:27
7:14
-
10K
6.21 mi11:16:1045:007:1522:33
7:16
+0:02
15K
9.32 mi11:38:511:07:417:1622:41
7:19
+0:03
20K
12.43 mi12:01:571:30:477:1923:06
7:27
+0:08
HALF
13.11 mi12:06:541:35:447:194:57
7:16
-0:11
25K
15.53 mi12:24:531:53:437:2017:59
7:25
+0:09
30K
18.64 mi12:48:492:17:397:2423:56
7:43
+0:18
20M
20.00 mi12:59:122:28:027:2510:23
7:39
-0:04
21M
21.00 mi13:07:362:36:267:278:24
8:24
+0:45
35K
21.75 mi13:13:172:42:077:285:41
7:36
-0:48
23M
23.00 mi13:23:142:52:047:299:57
7:58
+0:22
24M
24.00 mi13:30:582:59:487:307:44
7:44
-0:14
40K
24.85 mi13:37:453:06:357:316:47
7:57
+0:13
25.2M
25.20 mi13:40:413:09:317:322:56
8:31
+0:34
FINISH
26.22 mi13:48:273:17:177:327:46
7:38
-0:53

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

7:14 /mi

Average Pace

7:32 /mi

Slowest Pace

8:31 /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

2:56:00

89% of race

Time at Steady Pace

21:17

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:31 /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 mi10:53:3722:277:1422:27
7:14
#10400
10K
6.21 mi11:16:1045:007:1522:33
7:16
#10583
15K
9.32 mi11:38:511:07:417:1622:41
7:19
#10702
20K
12.43 mi12:01:571:30:477:1923:06
7:27
#10867
HALF
13.11 mi12:06:541:35:447:194:57
7:16
#10845
25K
15.53 mi12:24:531:53:437:2017:59
7:25
#10777
30K
18.64 mi12:48:492:17:397:2423:56
7:43
#10847
20M
20.00 mi12:59:122:28:027:2510:23
7:39
#10771
21M
21.00 mi13:07:362:36:267:278:24
8:24
#10858
35K
21.75 mi13:13:172:42:077:285:41
7:36
#10872
23M
23.00 mi13:23:142:52:047:299:57
7:58
#10901
24M
24.00 mi13:30:582:59:487:307:44
7:44
#10896
40K
24.85 mi13:37:453:06:357:316:47
7:57
#10917
25.2M
25.20 mi13:40:413:09:317:322:56
8:31
#10911
FINISH
26.22 mi13:48:273:17:177:327:46
7:38
#10934
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi104008285828511052(Top 38%)8509(Top 52%)8509(Top 571%)
10K6.21 mi3.10 mi10583-1838364-798364-7910764(Top 37%)8436(Top 52%)8436(Top 566%)
15K9.32 mi3.11 mi10702-1198392-288392-2811052(Top 38%)8509(Top 52%)8509(Top 571%)
20K12.43 mi3.11 mi10867-1658430-388430-3811425(Top 39%)8587(Top 53%)8587(Top 576%)
HALF13.11 mi0.68 mi10845+228418+128418+1210813(Top 37%)8395(Top 51%)8395(Top 563%)
25K15.53 mi2.42 mi10777+688344+748344+7410694(Top 37%)8182(Top 50%)8182(Top 549%)
30K18.64 mi3.11 mi10847-708339+58339+511251(Top 39%)8314(Top 51%)8314(Top 558%)
20M20.00 mi1.36 mi10771+768277+628277+6210161(Top 35%)7658(Top 47%)7658(Top 514%)
21M21.00 mi1.00 mi10858-878298-218298-2112443(Top 43%)8638(Top 53%)8638(Top 579%)
35K21.75 mi0.75 mi10872-148284+148284+1411509(Top 40%)8194(Top 50%)8194(Top 550%)
23M23.00 mi1.25 mi10901-298284828412101(Top 42%)8404(Top 51%)8404(Top 564%)
24M24.00 mi1.00 mi10896+58247+378247+3711751(Top 40%)8132(Top 50%)8132(Top 545%)
40K24.85 mi0.85 mi10917-218234+138234+1312000(Top 41%)8172(Top 50%)8172(Top 548%)
25.2M25.20 mi0.35 mi10911+68224+108224+1011585(Top 40%)7880(Top 48%)7880(Top 529%)
FINISH26.22 mi1.02 mi10934-238210+148210+1412355(Top 43%)8253(Top 51%)8253(Top 554%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

11052

Males

8509

M55-59

8509

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10764

Males

8436

M55-59

8436

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

11052

Males

8509

M55-59

8509

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

11425

Males

8587

M55-59

8587

20K→HALF

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10813

Males

8395

M55-59

8395

HALF→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

10694

Males

8182

M55-59

8182

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

11251

Males

8314

M55-59

8314

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

10161

Males

7658

M55-59

7658

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

12443

Males

8638

M55-59

8638

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

11509

Males

8194

M55-59

8194

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

12101

Males

8404

M55-59

8404

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

11751

Males

8132

M55-59

8132

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

12000

Males

8172

M55-59

8172

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11585

Males

7880

M55-59

7880

25.2M→FINISH

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12355

Males

8253

M55-59

8253

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1391
Passed By
1924
Net Change
-534
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10400
5K → 10K163345-183#10400#10583
10K → 15K119238-119#10583#10702
15K → 20K111276-165#10702#10867
20K → HALF4624+22#10867#10845
HALF → 25K183115+68#10845#10777
25K → 30K160230-70#10777#10847
30K → 20M13155+76#10847#10771
20M → 21M67154-87#10771#10858
21M → 35K5165-14#10858#10872
35K → 23M100129-29#10872#10901
23M → 24M8883+5#10901#10896
24M → 40K6990-21#10896#10917
40K → 25.2M3731+6#10917#10911
25.2M → FINISH6689-23#10911#10934
TOTALS13911924-534
📊

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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing