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BOSTON MARATHON 2026

Calvin Fairbairn

Bib: 4779β€’M

BC

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 6%
Gender (Male)
#0 / 16340
Top 10%
Age Group (M18-39)
#0 / 5723
Top 24%
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
19:09
3.11 mi
Rank: #1919
Start β†’ 5K
19:09 | 6:10/mi
10K
38:14
6.21 mi
Rank: #1946 (-27)
5K β†’ 10K
19:05 | 6:09/mi
15K
57:17
9.32 mi
Rank: #1946
10K β†’ 15K
19:03 | 6:08/mi
20K
1:16:31
12.43 mi
Rank: #1942 (+4)
15K β†’ 20K
19:14 | 6:12/mi
HALF
1:20:38
13.11 mi
Rank: #1927 (+15)
20K β†’ HALF
4:07 | 6:03/mi
25K
1:35:39
15.53 mi
Rank: #1887 (+40)
HALF β†’ 25K
15:01 | 6:12/mi
30K
1:55:10
18.64 mi
Rank: #1787 (+100)
25K β†’ 30K
19:31 | 6:17/mi
20M
2:03:43
20.00 mi
Rank: #1739 (+48)
30K β†’ 20M
8:33 | 6:18/mi
21M
2:10:23
21.00 mi
Rank: #1732 (+7)
20M β†’ 21M
6:40 | 6:40/mi
35K
2:15:00
21.75 mi
Rank: #1715
21M β†’ 35K
4:37 | 6:11/mi
23M
2:22:57
23.00 mi
Rank: #1692
35K β†’ 23M
7:57 | 6:22/mi
24M
2:29:10
24.00 mi
Rank: #1662
23M β†’ 24M
6:13 | 6:13/mi
40K
2:34:34
24.85 mi
Rank: #1644
24M β†’ 40K
5:24 | 6:19/mi
25.2M
2:36:55
25.20 mi
Rank: #1640
40K β†’ 25.2M
2:21 | 6:49/mi
FINISH
2:43:09
26.22 mi
Rank: #1625
25.2M β†’ FINISH
6:14 | 6:08/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:20:38
Pace6:10 /mi
2nd Half
Distance13.11 mi
Time1:22:31
Pace6:18 /mi
πŸ“ŠPositive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0219:096:1019:09
6:10
-
10K
6.21 mi10:41:0738:146:1019:05
6:09
-0:01
15K
9.32 mi11:00:1057:176:0919:03
6:08
-0:01
20K
12.43 mi11:19:241:16:316:1019:14
6:12
+0:04
HALF
13.11 mi11:23:311:20:386:104:07
6:03
-0:09
25K
15.53 mi11:38:321:35:396:1015:01
6:12
+0:09
30K
18.64 mi11:58:031:55:106:1119:31
6:17
+0:05
20M
20.00 mi12:06:362:03:436:128:33
6:18
+0:01
21M
21.00 mi12:13:162:10:236:136:40
6:40
+0:22
35K
21.75 mi12:17:532:15:006:134:37
6:11
-0:29
23M
23.00 mi12:25:502:22:576:137:57
6:22
+0:11
24M
24.00 mi12:32:032:29:106:136:13
6:13
-0:09
40K
24.85 mi12:37:272:34:346:145:24
6:19
+0:06
25.2M
25.20 mi12:39:482:36:556:142:21
6:49
+0:30
FINISH
26.22 mi12:46:022:43:096:146:14
6:08
-0:41

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

6:03 /mi

Average Pace

6:14 /mi

Slowest Pace

6:49 /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

2:34:08

94% of race

Time at Steady Pace

9:01

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:13 /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 mi10:22:0219:096:1019:09
6:10
#1919
10K
6.21 mi10:41:0738:146:1019:05
6:09
#1946
15K
9.32 mi11:00:1057:176:0919:03
6:08
#1946
20K
12.43 mi11:19:241:16:316:1019:14
6:12
#1942
HALF
13.11 mi11:23:311:20:386:104:07
6:03
#1927
25K
15.53 mi11:38:321:35:396:1015:01
6:12
#1887
30K
18.64 mi11:58:031:55:106:1119:31
6:17
#1787
20M
20.00 mi12:06:362:03:436:128:33
6:18
#1739
21M
21.00 mi12:13:162:10:236:136:40
6:40
#1732
35K
21.75 mi12:17:532:15:006:134:37
6:11
#1715
23M
23.00 mi12:25:502:22:576:137:57
6:22
#1692
24M
24.00 mi12:32:032:29:106:136:13
6:13
#1662
40K
24.85 mi12:37:272:34:346:145:24
6:19
#1644
25.2M
25.20 mi12:39:482:36:556:142:21
6:49
#1640
FINISH
26.22 mi12:46:022:43:096:146:14
6:08
#1625
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 mi1919185018501955(Top 7%)1886(Top 12%)1886(Top 33%)
10K6.21 mi3.10 mi1946-271878-281878-281982(Top 7%)1912(Top 12%)1912(Top 33%)
15K9.32 mi3.11 mi19461875+31875+31955(Top 7%)1886(Top 12%)1886(Top 33%)
20K12.43 mi3.11 mi1942+41872+31872+31965(Top 7%)1896(Top 12%)1896(Top 33%)
HALF13.11 mi0.68 mi1927+151858+141858+141648(Top 6%)1591(Top 10%)1591(Top 28%)
25K15.53 mi2.42 mi1887+401819+391819+391805(Top 6%)1738(Top 11%)1738(Top 30%)
30K18.64 mi3.11 mi1787+1001722+971722+971546(Top 5%)1488(Top 9%)1488(Top 26%)
20M20.00 mi1.36 mi1739+481675+471675+471512(Top 5%)1449(Top 9%)1449(Top 25%)
21M21.00 mi1.00 mi1732+71668+71668+71867(Top 6%)1786(Top 11%)1786(Top 31%)
35K21.75 mi0.75 mi1715+171652+161652+161853(Top 6%)1768(Top 11%)1768(Top 31%)
23M23.00 mi1.25 mi1692+231632+201632+201764(Top 6%)1679(Top 10%)1679(Top 29%)
24M24.00 mi1.00 mi1662+301602+301602+301812(Top 6%)1716(Top 11%)1716(Top 30%)
40K24.85 mi0.85 mi1644+181584+181584+181783(Top 6%)1676(Top 10%)1676(Top 29%)
25.2M25.20 mi0.35 mi1640+41578+61578+61859(Top 6%)1725(Top 11%)1725(Top 30%)
FINISH26.22 mi1.02 mi1625+151563+151563+152093(Top 7%)1927(Top 12%)1927(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
Γ—21
+97ft-345ft

Overall

1955

Males

1886

M18-39

1886

5K→10K

3.1 - 6.2 mi

Top 7%
Γ—5
+79ft-138ft

Overall

1982

Males

1912

M18-39

1912

10K→15K

6.2 - 9.3 mi

Top 7%
Γ—3
+67ft-78ft

Overall

1955

Males

1886

M18-39

1886

15K→20K

9.3 - 12.4 mi

Top 7%
Γ—5
+106ft-86ft

Overall

1965

Males

1896

M18-39

1896

20K→HALF

12.4 - 13.1 mi

Top 6%
Γ—2
+19ft-37ft

Overall

1648

Males

1591

M18-39

1591

HALF→25K

13.1 - 15.5 mi

Top 6%
Γ—4
+66ft-88ft

Overall

1805

Males

1738

M18-39

1738

25K→30K

15.5 - 18.6 mi

Top 5%
Γ—9
+181ft-148ft

Overall

1546

Males

1488

M18-39

1488

30K→20M

18.6 - 20.0 mi

Top 5%
Γ—5
+64ft-50ft

Overall

1512

Males

1449

M18-39

1449

20M→21M

20.0 - 21.0 mi

Top 6%
Γ—8
+106ft-24ft

Overall

1867

Males

1786

M18-39

1786

21M→35K

21.0 - 21.8 mi

Top 6%
Γ—7
+17ft-86ft

Overall

1853

Males

1768

M18-39

1768

35K→23M

21.8 - 23.0 mi

Top 6%
Γ—5
+23ft-63ft

Overall

1764

Males

1679

M18-39

1679

23M→24M

23.0 - 24.0 mi

Top 6%
Γ—6
+12ft-82ft

Overall

1812

Males

1716

M18-39

1716

24M→40K

24.0 - 24.9 mi

Top 6%
Γ—1
+6ft-20ft

Overall

1783

Males

1676

M18-39

1676

40K→25.2M

24.9 - 25.2 mi

Top 6%
Γ—1
+13ft-16ft

Overall

1859

Males

1725

M18-39

1725

25.2M→FINISH

25.2 - 26.2 mi

Top 7%
Γ—2
+22ft-21ft

Overall

2093

Males

1927

M18-39

1927

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 4 hours ago. This usually takes 10-20 minutes. Please check back shortly.

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing