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BOSTON MARATHON 2026

Jonathan Pierce

Bib: 391β€’M

OR

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Overall
#0 / 29021
Top 5%
Gender (Male)
#0 / 16340
Top 9%
Age Group (M18-39)
#0 / 5723
Top 23%
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
18:20
3.11 mi
Rank: #856
Start β†’ 5K
18:20 | 5:55/mi
10K
36:41
6.21 mi
Rank: #924 (-68)
5K β†’ 10K
18:21 | 5:55/mi
15K
55:04
9.32 mi
Rank: #936 (-12)
10K β†’ 15K
18:23 | 5:56/mi
20K
1:13:43
12.43 mi
Rank: #978 (-42)
15K β†’ 20K
18:39 | 6:01/mi
HALF
1:17:43
13.11 mi
Rank: #973 (+5)
20K β†’ HALF
4:00 | 5:53/mi
25K
1:32:26
15.53 mi
Rank: #1006 (-33)
HALF β†’ 25K
14:43 | 6:05/mi
30K
1:52:02
18.64 mi
Rank: #1117 (-111)
25K β†’ 30K
19:36 | 6:19/mi
20M
2:00:42
20.00 mi
Rank: #1163 (-46)
30K β†’ 20M
8:40 | 6:23/mi
21M
2:07:19
21.00 mi
Rank: #1169 (-6)
20M β†’ 21M
6:37 | 6:37/mi
35K
2:12:02
21.75 mi
Rank: #1198 (-29)
21M β†’ 35K
4:43 | 6:19/mi
23M
2:20:26
23.00 mi
Rank: #1284 (-86)
35K β†’ 23M
8:24 | 6:43/mi
24M
2:27:22
24.00 mi
Rank: #1395 (-111)
23M β†’ 24M
6:56 | 6:56/mi
40K
2:33:24
24.85 mi
Rank: #1469 (-74)
24M β†’ 40K
6:02 | 7:04/mi
25.2M
2:35:55
25.20 mi
Rank: #1483 (-14)
40K β†’ 25.2M
2:31 | 7:18/mi
FINISH
2:42:44
26.22 mi
Rank: #1564 (-81)
25.2M β†’ FINISH
6:49 | 6:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:17:43
Pace5:56 /mi
2nd Half
Distance13.11 mi
Time1:25:01
Pace6:30 /mi
πŸ“ŠPositive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3118:205:5518:20
5:55
-
10K
6.21 mi10:36:5236:415:5518:21
5:55
0:00
15K
9.32 mi10:55:1555:045:5518:23
5:56
+0:01
20K
12.43 mi11:13:541:13:435:5618:39
6:01
+0:05
HALF
13.11 mi11:17:541:17:435:564:00
5:53
-0:08
25K
15.53 mi11:32:371:32:265:5814:43
6:05
+0:12
30K
18.64 mi11:52:131:52:026:0119:36
6:19
+0:14
20M
20.00 mi12:00:532:00:426:038:40
6:23
+0:04
21M
21.00 mi12:07:302:07:196:046:37
6:37
+0:14
35K
21.75 mi12:12:132:12:026:054:43
6:19
-0:18
23M
23.00 mi12:20:372:20:266:078:24
6:43
+0:24
24M
24.00 mi12:27:332:27:226:096:56
6:56
+0:13
40K
24.85 mi12:33:352:33:246:116:02
7:04
+0:08
25.2M
25.20 mi12:36:062:35:556:122:31
7:18
+0:14
FINISH
26.22 mi12:42:552:42:446:136:49
6:42
-0:36

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

5:53 /mi

Average Pace

6:13 /mi

Slowest Pace

7:18 /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

1:32:26

57% of race

Time at Steady Pace

32:59

20% of race

Time at Slower Pace

37:19

23% of race

Average Pace: 6:12 /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 mi10:18:3118:205:5518:20
5:55
#856
10K
6.21 mi10:36:5236:415:5518:21
5:55
#924
15K
9.32 mi10:55:1555:045:5518:23
5:56
#936
20K
12.43 mi11:13:541:13:435:5618:39
6:01
#978
HALF
13.11 mi11:17:541:17:435:564:00
5:53
#973
25K
15.53 mi11:32:371:32:265:5814:43
6:05
#1006
30K
18.64 mi11:52:131:52:026:0119:36
6:19
#1117
20M
20.00 mi12:00:532:00:426:038:40
6:23
#1163
21M
21.00 mi12:07:302:07:196:046:37
6:37
#1169
35K
21.75 mi12:12:132:12:026:054:43
6:19
#1198
23M
23.00 mi12:20:372:20:266:078:24
6:43
#1284
24M
24.00 mi12:27:332:27:226:096:56
6:56
#1395
40K
24.85 mi12:33:352:33:246:116:02
7:04
#1469
25.2M
25.20 mi12:36:062:35:556:122:31
7:18
#1483
FINISH
26.22 mi12:42:552:42:446:136:49
6:42
#1564
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 mi8568108101012(Top 3%)973(Top 6%)973(Top 17%)
10K6.21 mi3.10 mi924-68882-72882-721007(Top 3%)967(Top 6%)967(Top 17%)
15K9.32 mi3.11 mi936-12896-14896-141012(Top 3%)973(Top 6%)973(Top 17%)
20K12.43 mi3.11 mi978-42937-41937-411175(Top 4%)1129(Top 7%)1129(Top 20%)
HALF13.11 mi0.68 mi973+5933+4933+4937(Top 3%)901(Top 6%)901(Top 16%)
25K15.53 mi2.42 mi1006-33966-33966-331338(Top 5%)1291(Top 8%)1291(Top 23%)
30K18.64 mi3.11 mi1117-1111073-1071073-1071670(Top 6%)1606(Top 10%)1606(Top 28%)
20M20.00 mi1.36 mi1163-461119-461119-461854(Top 6%)1773(Top 11%)1773(Top 31%)
21M21.00 mi1.00 mi1169-61124-51124-51671(Top 6%)1600(Top 10%)1600(Top 28%)
35K21.75 mi0.75 mi1198-291153-291153-292485(Top 9%)2341(Top 14%)2341(Top 41%)
23M23.00 mi1.25 mi1284-861236-831236-833508(Top 12%)3193(Top 20%)3193(Top 56%)
24M24.00 mi1.00 mi1395-1111342-1061342-1065964(Top 21%)4987(Top 31%)4987(Top 87%)
40K24.85 mi0.85 mi1469-741415-731415-735776(Top 20%)4822(Top 30%)4822(Top 84%)
25.2M25.20 mi0.35 mi1483-141426-111426-113968(Top 14%)3425(Top 21%)3425(Top 60%)
FINISH26.22 mi1.02 mi1564-811505-791505-795326(Top 18%)4399(Top 27%)4399(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
Γ—21
+97ft-345ft

Overall

1012

Males

973

M18-39

973

5K→10K

3.1 - 6.2 mi

Top 3%
Γ—5
+79ft-138ft

Overall

1007

Males

967

M18-39

967

10K→15K

6.2 - 9.3 mi

Top 3%
Γ—3
+67ft-78ft

Overall

1012

Males

973

M18-39

973

15K→20K

9.3 - 12.4 mi

Top 4%
Γ—5
+106ft-86ft

Overall

1175

Males

1129

M18-39

1129

20K→HALF

12.4 - 13.1 mi

Top 3%
Γ—2
+19ft-37ft

Overall

937

Males

901

M18-39

901

HALF→25K

13.1 - 15.5 mi

Top 5%
Γ—4
+66ft-88ft

Overall

1338

Males

1291

M18-39

1291

25K→30K

15.5 - 18.6 mi

Top 6%
Γ—9
+181ft-148ft

Overall

1670

Males

1606

M18-39

1606

30K→20M

18.6 - 20.0 mi

Top 6%
Γ—5
+64ft-50ft

Overall

1854

Males

1773

M18-39

1773

20M→21M

20.0 - 21.0 mi

Top 6%
Γ—8
+106ft-24ft

Overall

1671

Males

1600

M18-39

1600

21M→35K

21.0 - 21.8 mi

Top 9%
Γ—7
+17ft-86ft

Overall

2485

Males

2341

M18-39

2341

35K→23M

21.8 - 23.0 mi

Top 12%
Γ—5
+23ft-63ft

Overall

3508

Males

3193

M18-39

3193

23M→24M

23.0 - 24.0 mi

Top 21%
Γ—6
+12ft-82ft

Overall

5964

Males

4987

M18-39

4987

24M→40K

24.0 - 24.9 mi

Top 20%
Γ—1
+6ft-20ft

Overall

5776

Males

4822

M18-39

4822

40K→25.2M

24.9 - 25.2 mi

Top 14%
Γ—1
+13ft-16ft

Overall

3968

Males

3425

M18-39

3425

25.2M→FINISH

25.2 - 26.2 mi

Top 18%
Γ—2
+22ft-21ft

Overall

5326

Males

4399

M18-39

4399

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
184
Passed By
892
Net Change
-708
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#856
5K β†’ 10K2189-68#856#924
10K β†’ 15K3143-12#924#936
15K β†’ 20K1254-42#936#978
20K β†’ HALF94+5#978#973
HALF β†’ 25K1750-33#973#1006
25K β†’ 30K25136-111#1006#1117
30K β†’ 20M1157-46#1117#1163
20M β†’ 21M1723-6#1163#1169
21M β†’ 35K231-29#1169#1198
35K β†’ 23M14100-86#1198#1284
23M β†’ 24M7118-111#1284#1395
24M β†’ 40K781-74#1395#1469
40K β†’ 25.2M418-14#1469#1483
25.2M β†’ FINISH788-81#1483#1564
TOTALS184892-708
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

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing