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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jeffrey Shields

Bib: 296 β€’M β€’Age: N/A

UT

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 7%
Gender (Male)
#0 / 16340
Top 11%
Age Group (M18-39)
#0 / 5723
Top 27%
Race Day Weather
51Β°/41Β°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
16:26
3.11 mi
Rank: #102
Start β†’ 5K
16:26 | 5:18/mi
10K
33:32
6.21 mi
Rank: #138 (-36)
5K β†’ 10K
17:06 | 5:31/mi
15K
51:09
9.32 mi
Rank: #199 (-61)
10K β†’ 15K
17:37 | 5:41/mi
20K
1:09:27
12.43 mi
Rank: #284 (-85)
15K β†’ 20K
18:18 | 5:54/mi
HALF
1:13:28
13.11 mi
Rank: #304 (-20)
20K β†’ HALF
4:01 | 5:54/mi
25K
1:28:18
15.53 mi
Rank: #394 (-90)
HALF β†’ 25K
14:50 | 6:07/mi
30K
1:48:20
18.64 mi
Rank: #556 (-162)
25K β†’ 30K
20:02 | 6:27/mi
20M
1:57:32
20.00 mi
Rank: #659 (-103)
30K β†’ 20M
9:12 | 6:47/mi
21M
2:05:08
21.00 mi
Rank: #808 (-149)
20M β†’ 21M
7:36 | 7:36/mi
35K
2:10:19
21.75 mi
Rank: #923 (-115)
21M β†’ 35K
5:11 | 6:56/mi
23M
2:19:25
23.00 mi
Rank: #1113 (-190)
35K β†’ 23M
9:06 | 7:17/mi
24M
2:26:30
24.00 mi
Rank: #1266 (-153)
23M β†’ 24M
7:05 | 7:05/mi
40K
2:34:03
24.85 mi
Rank: #1569 (-303)
24M β†’ 40K
7:33 | 8:50/mi
25.2M
2:37:07
25.20 mi
Rank: #1674 (-105)
40K β†’ 25.2M
3:04 | 8:54/mi
FINISH
2:44:41
26.22 mi
Rank: #1903 (-229)
25.2M β†’ FINISH
7:34 | 7:26/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:13:28
Pace5:37 /mi
2nd Half
Distance13.11 mi
Time1:31:13
Pace6:58 /mi
πŸ“ŠPositive Split: 24.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:16:4416:265:1816:26
5:18
-
10K
6.21 mi10:33:5033:325:2417:06
5:31
+0:13
15K
9.32 mi10:51:2751:095:3017:37
5:41
+0:10
20K
12.43 mi11:09:451:09:275:3618:18
5:54
+0:13
HALF
13.11 mi11:13:461:13:285:374:01
5:54
0:00
25K
15.53 mi11:28:361:28:185:4214:50
6:07
+0:13
30K
18.64 mi11:48:381:48:205:4920:02
6:27
+0:20
20M
20.00 mi11:57:501:57:325:539:12
6:47
+0:20
21M
21.00 mi12:05:262:05:085:587:36
7:36
+0:49
35K
21.75 mi12:10:372:10:196:005:11
6:56
-0:40
23M
23.00 mi12:19:432:19:256:049:06
7:17
+0:21
24M
24.00 mi12:26:482:26:306:077:05
7:05
-0:12
40K
24.85 mi12:34:212:34:036:127:33
8:50
+1:45
25.2M
25.20 mi12:37:252:37:076:153:04
8:54
+0:04
FINISH
26.22 mi12:44:592:44:416:187:34
7:26
-1:28

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

5:18 /mi

Average Pace

6:17 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:28:18

54% of race

Time at Steady Pace

50:36

31% of race

Time at Slower Pace

25:47

16% of race

Average Pace: 6:17 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:16:4416:265:1816:26
5:18
#102
10K
6.21 mi10:33:5033:325:2417:06
5:31
#138
15K
9.32 mi10:51:2751:095:3017:37
5:41
#199
20K
12.43 mi11:09:451:09:275:3618:18
5:54
#284
HALF
13.11 mi11:13:461:13:285:374:01
5:54
#304
25K
15.53 mi11:28:361:28:185:4214:50
6:07
#394
30K
18.64 mi11:48:381:48:205:4920:02
6:27
#556
20M
20.00 mi11:57:501:57:325:539:12
6:47
#659
21M
21.00 mi12:05:262:05:085:587:36
7:36
#808
35K
21.75 mi12:10:372:10:196:005:11
6:56
#923
23M
23.00 mi12:19:432:19:256:049:06
7:17
#1113
24M
24.00 mi12:26:482:26:306:077:05
7:05
#1266
40K
24.85 mi12:34:212:34:036:127:33
8:50
#1569
25.2M
25.20 mi12:37:252:37:076:153:04
8:54
#1674
FINISH
26.22 mi12:44:592:44:416:187:34
7:26
#1903
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi102102102392(Top 1%)367(Top 2%)367(Top 6%)
10K6.21 mi3.10 mi138-36134-32134-32220(Top 0.8%)201(Top 1%)201(Top 4%)
15K9.32 mi3.11 mi199-61180-46180-46392(Top 1%)367(Top 2%)367(Top 6%)
20K12.43 mi3.11 mi284-85263-83263-83784(Top 3%)758(Top 5%)758(Top 13%)
HALF13.11 mi0.68 mi304-20282-19282-191015(Top 3%)978(Top 6%)978(Top 17%)
25K15.53 mi2.42 mi394-90370-88370-881528(Top 5%)1475(Top 9%)1475(Top 26%)
30K18.64 mi3.11 mi556-162532-162532-1622302(Top 8%)2204(Top 13%)2204(Top 39%)
20M20.00 mi1.36 mi659-103630-98630-983907(Top 13%)3594(Top 22%)3594(Top 63%)
21M21.00 mi1.00 mi808-149773-143773-1437096(Top 24%)5819(Top 36%)5819(Top 102%)
35K21.75 mi0.75 mi923-115883-110883-1106520(Top 22%)5492(Top 34%)5492(Top 96%)
23M23.00 mi1.25 mi1113-1901068-1851068-1857215(Top 25%)5874(Top 36%)5874(Top 103%)
24M24.00 mi1.00 mi1266-1531219-1511219-1517010(Top 24%)5679(Top 35%)5679(Top 99%)
40K24.85 mi0.85 mi1569-3031511-2921511-29217498(Top 60%)10640(Top 65%)10640(Top 186%)
25.2M25.20 mi0.35 mi1674-1051611-1001611-10013934(Top 48%)8978(Top 55%)8978(Top 157%)
FINISH26.22 mi1.02 mi1903-2291829-2181829-21810803(Top 37%)7487(Top 46%)7487(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
Γ—21
+97ft-345ft

Overall

392

Males

367

M18-39

367

5K→10K

3.1 - 6.2 mi

Top 0.8%
Γ—5
+79ft-138ft

Overall

220

Males

201

M18-39

201

10K→15K

6.2 - 9.3 mi

Top 1%
Γ—3
+67ft-78ft

Overall

392

Males

367

M18-39

367

15K→20K

9.3 - 12.4 mi

Top 3%
Γ—5
+106ft-86ft

Overall

784

Males

758

M18-39

758

20K→HALF

12.4 - 13.1 mi

Top 3%
Γ—2
+19ft-37ft

Overall

1015

Males

978

M18-39

978

HALF→25K

13.1 - 15.5 mi

Top 5%
Γ—4
+66ft-88ft

Overall

1528

Males

1475

M18-39

1475

25K→30K

15.5 - 18.6 mi

Top 8%
Γ—9
+181ft-148ft

Overall

2302

Males

2204

M18-39

2204

30K→20M

18.6 - 20.0 mi

Top 13%
Γ—5
+64ft-50ft

Overall

3907

Males

3594

M18-39

3594

20M→21M

20.0 - 21.0 mi

Top 24%
Γ—8
+106ft-24ft

Overall

7096

Males

5819

M18-39

5819

21M→35K

21.0 - 21.8 mi

Top 22%
Γ—7
+17ft-86ft

Overall

6520

Males

5492

M18-39

5492

35K→23M

21.8 - 23.0 mi

Top 25%
Γ—5
+23ft-63ft

Overall

7215

Males

5874

M18-39

5874

23M→24M

23.0 - 24.0 mi

Top 24%
Γ—6
+12ft-82ft

Overall

7010

Males

5679

M18-39

5679

24M→40K

24.0 - 24.9 mi

Top 60%
Γ—1
+6ft-20ft

Overall

17498

Males

10640

M18-39

10640

40K→25.2M

24.9 - 25.2 mi

Top 48%
Γ—1
+13ft-16ft

Overall

13934

Males

8978

M18-39

8978

25.2M→FINISH

25.2 - 26.2 mi

Top 37%
Γ—2
+22ft-21ft

Overall

10803

Males

7487

M18-39

7487

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
19
Passed By
1685
Net Change
-1801
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#102
5K β†’ 10K036-36#102#138
10K β†’ 15K162-61#138#199
15K β†’ 20K186-85#199#284
20K β†’ HALF020-20#284#304
HALF β†’ 25K191-90#304#394
25K β†’ 30K1163-162#394#556
30K β†’ 20M0103-103#556#659
20M β†’ 21M2151-149#659#808
21M β†’ 35K3118-115#808#923
35K β†’ 23M5195-190#923#1113
23M β†’ 24M1154-153#1113#1266
24M β†’ 40K0200-303#1266#1569
40K β†’ 25.2M1106-105#1569#1674
25.2M β†’ FINISH3200-229#1674#1903
TOTALS191685-1801
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

AI Key Insights

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