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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Borja Sierra Fernández

Bib: 9416 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 23%
Gender (Male)
#0 / 16340
Top 35%
Masters (Masters Men)
#0 / 10617
Top 21%
Age Group (M40-44)
#0 / 2198
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
21:06
3.11 mi
Rank: #6784
Start → 5K
21:06 | 6:48/mi
10K
42:01
6.21 mi
Rank: #6522 (+262)
5K → 10K
20:55 | 6:44/mi
15K
1:03:01
9.32 mi
Rank: #6453 (+69)
10K → 15K
21:00 | 6:46/mi
20K
1:24:23
12.43 mi
Rank: #6516 (-63)
15K → 20K
21:22 | 6:53/mi
HALF
1:29:02
13.11 mi
Rank: #6559 (-43)
20K → HALF
4:39 | 6:50/mi
25K
1:45:51
15.53 mi
Rank: #6613 (-54)
HALF → 25K
16:49 | 6:57/mi
30K
2:07:57
18.64 mi
Rank: #6638 (-25)
25K → 30K
22:06 | 7:07/mi
20M
2:17:42
20.00 mi
Rank: #6634 (+4)
30K → 20M
9:45 | 7:11/mi
21M
2:25:15
21.00 mi
Rank: #6622 (+12)
20M → 21M
7:33 | 7:33/mi
35K
2:30:34
21.75 mi
Rank: #6645 (-23)
21M → 35K
5:19 | 7:07/mi
23M
2:39:41
23.00 mi
Rank: #6631 (+14)
35K → 23M
9:07 | 7:18/mi
24M
2:46:46
24.00 mi
Rank: #6608 (+23)
23M → 24M
7:05 | 7:05/mi
40K
2:53:05
24.85 mi
Rank: #6599 (+9)
24M → 40K
6:19 | 7:24/mi
25.2M
2:55:48
25.20 mi
Rank: #6601 (-2)
40K → 25.2M
2:43 | 7:53/mi
FINISH
3:03:05
26.22 mi
Rank: #6613 (-12)
25.2M → FINISH
7:17 | 7:09/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
Time1:29:02
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:34:03
Pace7:11 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:37:5321:066:4821:06
6:48
-
10K
6.21 mi10:58:4842:016:4620:55
6:44
-0:04
15K
9.32 mi11:19:481:03:016:4621:00
6:46
+0:02
20K
12.43 mi11:41:101:24:236:4821:22
6:53
+0:07
HALF
13.11 mi11:45:491:29:026:484:39
6:50
-0:03
25K
15.53 mi12:02:381:45:516:4916:49
6:57
+0:07
30K
18.64 mi12:24:442:07:576:5222:06
7:07
+0:10
20M
20.00 mi12:34:292:17:426:549:45
7:11
+0:04
21M
21.00 mi12:42:022:25:156:567:33
7:33
+0:22
35K
21.75 mi12:47:212:30:346:565:19
7:07
-0:26
23M
23.00 mi12:56:282:39:416:579:07
7:18
+0:11
24M
24.00 mi13:03:332:46:466:577:05
7:05
-0:13
40K
24.85 mi13:09:522:53:056:586:19
7:24
+0:19
25.2M
25.20 mi13:12:352:55:486:592:43
7:53
+0:29
FINISH
26.22 mi13:19:523:03:057:007:17
7:09
-0:44

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

6:44 /mi

Average Pace

6:59 /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

2:52:49

94% of race

Time at Steady Pace

10:16

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:59 /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 mi10:37:5321:066:4821:06
6:48
#6784
10K
6.21 mi10:58:4842:016:4620:55
6:44
#6522
15K
9.32 mi11:19:481:03:016:4621:00
6:46
#6453
20K
12.43 mi11:41:101:24:236:4821:22
6:53
#6516
HALF
13.11 mi11:45:491:29:026:484:39
6:50
#6559
25K
15.53 mi12:02:381:45:516:4916:49
6:57
#6613
30K
18.64 mi12:24:442:07:576:5222:06
7:07
#6638
20M
20.00 mi12:34:292:17:426:549:45
7:11
#6634
21M
21.00 mi12:42:022:25:156:567:33
7:33
#6622
35K
21.75 mi12:47:212:30:346:565:19
7:07
#6645
23M
23.00 mi12:56:282:39:416:579:07
7:18
#6631
24M
24.00 mi13:03:332:46:466:577:05
7:05
#6608
40K
24.85 mi13:09:522:53:056:586:19
7:24
#6599
25.2M
25.20 mi13:12:352:55:486:592:43
7:53
#6601
FINISH
26.22 mi13:19:523:03:057:007:17
7:09
#6613
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6784605760576415(Top 22%)5744(Top 35%)5744(Top 261%)
10K6.21 mi3.10 mi6522+2625867+1905867+1906301(Top 22%)5692(Top 35%)5692(Top 259%)
15K9.32 mi3.11 mi6453+695800+675800+676415(Top 22%)5744(Top 35%)5744(Top 261%)
20K12.43 mi3.11 mi6516-635845-455845-456891(Top 24%)6071(Top 37%)6071(Top 276%)
HALF13.11 mi0.68 mi6559-435872-275872-277257(Top 25%)6342(Top 39%)6342(Top 289%)
25K15.53 mi2.42 mi6613-545897-255897-256932(Top 24%)6064(Top 37%)6064(Top 276%)
30K18.64 mi3.11 mi6638-255904-75904-76751(Top 23%)5824(Top 36%)5824(Top 265%)
20M20.00 mi1.36 mi6634+45887+175887+176790(Top 23%)5770(Top 35%)5770(Top 263%)
21M21.00 mi1.00 mi6622+125870+175870+176797(Top 23%)5640(Top 35%)5640(Top 257%)
35K21.75 mi0.75 mi6645-235873-35873-37829(Top 27%)6319(Top 39%)6319(Top 287%)
23M23.00 mi1.25 mi6631+145848+255848+257328(Top 25%)5956(Top 36%)5956(Top 271%)
24M24.00 mi1.00 mi6608+235816+325816+327037(Top 24%)5706(Top 35%)5706(Top 260%)
40K24.85 mi0.85 mi6599+95793+235793+238014(Top 28%)6174(Top 38%)6174(Top 281%)
25.2M25.20 mi0.35 mi6601-25788+55788+57486(Top 26%)5817(Top 36%)5817(Top 265%)
FINISH26.22 mi1.02 mi6613-125782+65782+68655(Top 30%)6393(Top 39%)6393(Top 291%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21
+97ft-345ft

Overall

6415

Males

5744

M40-44

5744

5K→10K

3.1 - 6.2 mi

Top 22%
×5
+79ft-138ft

Overall

6301

Males

5692

M40-44

5692

10K→15K

6.2 - 9.3 mi

Top 22%
×3
+67ft-78ft

Overall

6415

Males

5744

M40-44

5744

15K→20K

9.3 - 12.4 mi

Top 24%
×5
+106ft-86ft

Overall

6891

Males

6071

M40-44

6071

20K→HALF

12.4 - 13.1 mi

Top 25%
×2
+19ft-37ft

Overall

7257

Males

6342

M40-44

6342

HALF→25K

13.1 - 15.5 mi

Top 24%
×4
+66ft-88ft

Overall

6932

Males

6064

M40-44

6064

25K→30K

15.5 - 18.6 mi

Top 23%
×9
+181ft-148ft

Overall

6751

Males

5824

M40-44

5824

30K→20M

18.6 - 20.0 mi

Top 23%
×5
+64ft-50ft

Overall

6790

Males

5770

M40-44

5770

20M→21M

20.0 - 21.0 mi

Top 23%
×8
+106ft-24ft

Overall

6797

Males

5640

M40-44

5640

21M→35K

21.0 - 21.8 mi

Top 27%
×7
+17ft-86ft

Overall

7829

Males

6319

M40-44

6319

35K→23M

21.8 - 23.0 mi

Top 25%
×5
+23ft-63ft

Overall

7328

Males

5956

M40-44

5956

23M→24M

23.0 - 24.0 mi

Top 24%
×6
+12ft-82ft

Overall

7037

Males

5706

M40-44

5706

24M→40K

24.0 - 24.9 mi

Top 28%
×1
+6ft-20ft

Overall

8014

Males

6174

M40-44

6174

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1
+13ft-16ft

Overall

7486

Males

5817

M40-44

5817

25.2M→FINISH

25.2 - 26.2 mi

Top 30%
×2
+22ft-21ft

Overall

8655

Males

6393

M40-44

6393

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1346*
Passed By
1175
Net Change
+171
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6784
5K → 10K361*99+262#6784#6522
10K → 15K176107+69#6522#6453
15K → 20K116179-63#6453#6516
20K → HALF1053-43#6516#6559
HALF → 25K93147-54#6559#6613
25K → 30K144169-25#6613#6638
30K → 20M7470+4#6638#6634
20M → 21M6957+12#6634#6622
21M → 35K2952-23#6622#6645
35K → 23M9581+14#6645#6631
23M → 24M5936+23#6631#6608
24M → 40K5950+9#6608#6599
40K → 25.2M1719-2#6599#6601
25.2M → FINISH4456-12#6601#6613
TOTALS1346*1175+171

* 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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Activity Data

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