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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Dacheng Ren

Bib: 14827 •M •Age: N/A

TN

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 32%
Gender (Male)
#0 / 16340
Top 45%
Masters (Masters Men)
#0 / 10617
Top 33%
Age Group (M50-54)
#0 / 1868
Top 31%
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
22:22
3.11 mi
Rank: #10149
Start → 5K
22:22 | 7:12/mi
10K
45:22
6.21 mi
Rank: #11079 (-930)
5K → 10K
23:00 | 7:25/mi
15K
1:08:08
9.32 mi
Rank: #11122 (-43)
10K → 15K
22:46 | 7:20/mi
20K
1:31:01
12.43 mi
Rank: #11054 (+68)
15K → 20K
22:53 | 7:22/mi
HALF
1:35:56
13.11 mi
Rank: #11019 (+35)
20K → HALF
4:55 | 7:13/mi
25K
1:53:57
15.53 mi
Rank: #10951 (+68)
HALF → 25K
18:01 | 7:26/mi
30K
2:17:08
18.64 mi
Rank: #10576 (+375)
25K → 30K
23:11 | 7:28/mi
20M
2:27:13
20.00 mi
Rank: #10381 (+195)
30K → 20M
10:05 | 7:26/mi
21M
2:34:52
21.00 mi
Rank: #10148 (+233)
20M → 21M
7:39 | 7:39/mi
35K
2:40:18
21.75 mi
Rank: #10094 (+54)
21M → 35K
5:26 | 7:16/mi
23M
2:49:23
23.00 mi
Rank: #9828 (+266)
35K → 23M
9:05 | 7:16/mi
24M
2:56:21
24.00 mi
Rank: #9637 (+191)
23M → 24M
6:58 | 6:58/mi
40K
3:02:23
24.85 mi
Rank: #9422 (+215)
24M → 40K
6:02 | 7:04/mi
25.2M
3:05:06
25.20 mi
Rank: #9384 (+38)
40K → 25.2M
2:43 | 7:53/mi
FINISH
3:12:03
26.22 mi
Rank: #9213 (+171)
25.2M → FINISH
6:57 | 6:50/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:35:56
Pace7:20 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:07
Pace7:20 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1522:227:1222:22
7:12
-
10K
6.21 mi11:17:1545:227:1923:00
7:25
+0:13
15K
9.32 mi11:40:011:08:087:1922:46
7:20
-0:05
20K
12.43 mi12:02:541:31:017:2022:53
7:22
+0:02
HALF
13.11 mi12:07:491:35:567:204:55
7:13
-0:09
25K
15.53 mi12:25:501:53:577:2118:01
7:26
+0:13
30K
18.64 mi12:49:012:17:087:2223:11
7:28
+0:02
20M
20.00 mi12:59:062:27:137:2210:05
7:26
-0:02
21M
21.00 mi13:06:452:34:527:237:39
7:39
+0:13
35K
21.75 mi13:12:112:40:187:235:26
7:16
-0:23
23M
23.00 mi13:21:162:49:237:229:05
7:16
0:00
24M
24.00 mi13:28:142:56:217:216:58
6:58
-0:18
40K
24.85 mi13:34:163:02:237:216:02
7:04
+0:06
25.2M
25.20 mi13:36:593:05:067:212:43
7:53
+0:49
FINISH
26.22 mi13:43:563:12:037:206:57
6:50
-1:03

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

6:50 /mi

Average Pace

7:20 /mi

Slowest Pace

7:53 /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

3:01:41

95% of race

Time at Steady Pace

10:22

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:19 /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 mi10:54:1522:227:1222:22
7:12
#10149
10K
6.21 mi11:17:1545:227:1923:00
7:25
#11079
15K
9.32 mi11:40:011:08:087:1922:46
7:20
#11122
20K
12.43 mi12:02:541:31:017:2022:53
7:22
#11054
HALF
13.11 mi12:07:491:35:567:204:55
7:13
#11019
25K
15.53 mi12:25:501:53:577:2118:01
7:26
#10951
30K
18.64 mi12:49:012:17:087:2223:11
7:28
#10576
20M
20.00 mi12:59:062:27:137:2210:05
7:26
#10381
21M
21.00 mi13:06:452:34:527:237:39
7:39
#10148
35K
21.75 mi13:12:112:40:187:235:26
7:16
#10094
23M
23.00 mi13:21:162:49:237:229:05
7:16
#9828
24M
24.00 mi13:28:142:56:217:216:58
6:58
#9637
40K
24.85 mi13:34:163:02:237:216:02
7:04
#9422
25.2M
25.20 mi13:36:593:05:067:212:43
7:53
#9384
FINISH
26.22 mi13:43:563:12:037:206:57
6:50
#9213
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi101498157815711290(Top 39%)8615(Top 53%)8615(Top 461%)
10K6.21 mi3.10 mi11079-9308592-4358592-43512076(Top 42%)9016(Top 55%)9016(Top 483%)
15K9.32 mi3.11 mi11122-438583+98583+911290(Top 39%)8615(Top 53%)8615(Top 461%)
20K12.43 mi3.11 mi11054+688517+668517+6610781(Top 37%)8286(Top 51%)8286(Top 444%)
HALF13.11 mi0.68 mi11019+358496+218496+2110317(Top 36%)8118(Top 50%)8118(Top 435%)
25K15.53 mi2.42 mi10951+688441+558441+5510803(Top 37%)8223(Top 50%)8223(Top 440%)
30K18.64 mi3.11 mi10576+3758211+2308211+2309348(Top 32%)7360(Top 45%)7360(Top 394%)
20M20.00 mi1.36 mi10381+1958089+1228089+1228537(Top 29%)6799(Top 42%)6799(Top 364%)
21M21.00 mi1.00 mi10148+2337946+1437946+1437503(Top 26%)6084(Top 37%)6084(Top 326%)
35K21.75 mi0.75 mi10094+547907+397907+398990(Top 31%)6947(Top 43%)6947(Top 372%)
23M23.00 mi1.25 mi9828+2667752+1557752+1557169(Top 25%)5863(Top 36%)5863(Top 314%)
24M24.00 mi1.00 mi9637+1917634+1187634+1186272(Top 22%)5226(Top 32%)5226(Top 280%)
40K24.85 mi0.85 mi9422+2157493+1417493+1415858(Top 20%)4904(Top 30%)4904(Top 263%)
25.2M25.20 mi0.35 mi9384+387457+367457+367549(Top 26%)5880(Top 36%)5880(Top 315%)
FINISH26.22 mi1.02 mi9213+1717333+1247333+1246269(Top 22%)5046(Top 31%)5046(Top 270%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21
+97ft-345ft

Overall

11290

Males

8615

M50-54

8615

5K→10K

3.1 - 6.2 mi

Top 42%
×5
+79ft-138ft

Overall

12076

Males

9016

M50-54

9016

10K→15K

6.2 - 9.3 mi

Top 39%
×3
+67ft-78ft

Overall

11290

Males

8615

M50-54

8615

15K→20K

9.3 - 12.4 mi

Top 37%
×5
+106ft-86ft

Overall

10781

Males

8286

M50-54

8286

20K→HALF

12.4 - 13.1 mi

Top 36%
×2
+19ft-37ft

Overall

10317

Males

8118

M50-54

8118

HALF→25K

13.1 - 15.5 mi

Top 37%
×4
+66ft-88ft

Overall

10803

Males

8223

M50-54

8223

25K→30K

15.5 - 18.6 mi

Top 32%
×9
+181ft-148ft

Overall

9348

Males

7360

M50-54

7360

30K→20M

18.6 - 20.0 mi

Top 29%
×5
+64ft-50ft

Overall

8537

Males

6799

M50-54

6799

20M→21M

20.0 - 21.0 mi

Top 26%
×8
+106ft-24ft

Overall

7503

Males

6084

M50-54

6084

21M→35K

21.0 - 21.8 mi

Top 31%
×7
+17ft-86ft

Overall

8990

Males

6947

M50-54

6947

35K→23M

21.8 - 23.0 mi

Top 25%
×5
+23ft-63ft

Overall

7169

Males

5863

M50-54

5863

23M→24M

23.0 - 24.0 mi

Top 22%
×6
+12ft-82ft

Overall

6272

Males

5226

M50-54

5226

24M→40K

24.0 - 24.9 mi

Top 20%
×1
+6ft-20ft

Overall

5858

Males

4904

M50-54

4904

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1
+13ft-16ft

Overall

7549

Males

5880

M50-54

5880

25.2M→FINISH

25.2 - 26.2 mi

Top 22%
×2
+22ft-21ft

Overall

6269

Males

5046

M50-54

5046

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2455*
Passed By
751
Net Change
+936
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10149
5K → 10K36200-930#10149#11079
10K → 15K159200-43#11079#11122
15K → 20K176108+68#11122#11054
20K → HALF5318+35#11054#11019
HALF → 25K177109+68#11019#10951
25K → 30K397*22+375#10951#10576
30K → 20M206*11+195#10576#10381
20M → 21M247*14+233#10381#10148
21M → 35K7319+54#10148#10094
35K → 23M272*6+266#10094#9828
23M → 24M1998+191#9828#9637
24M → 40K221*6+215#9637#9422
40K → 25.2M5517+38#9422#9384
25.2M → FINISH18413+171#9384#9213
TOTALS2455*751+936

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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