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BOSTON MARATHON 2026

Fengmin Mo

Bib: 8900•M

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 15%
Gender (Male)
#0 / 16340
Top 24%
Masters (Masters Men)
#0 / 10617
Top 10%
Age Group (M45-49)
#0 / 2413
Top 12%
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
20:07
3.11 mi
Rank: #4002
Start → 5K
20:07 | 6:29/mi
10K
39:53
6.21 mi
Rank: #3613 (+389)
5K → 10K
19:46 | 6:22/mi
15K
59:59
9.32 mi
Rank: #3723 (-110)
10K → 15K
20:06 | 6:29/mi
20K
1:20:50
12.43 mi
Rank: #4081 (-358)
15K → 20K
20:51 | 6:43/mi
HALF
1:25:15
13.11 mi
Rank: #4096 (-15)
20K → HALF
4:25 | 6:29/mi
25K
1:41:40
15.53 mi
Rank: #4265 (-169)
HALF → 25K
16:25 | 6:47/mi
30K
2:03:26
18.64 mi
Rank: #4478 (-213)
25K → 30K
21:46 | 7:01/mi
20M
2:13:08
20.00 mi
Rank: #4586 (-108)
30K → 20M
9:42 | 7:09/mi
21M
2:20:45
21.00 mi
Rank: #4706 (-120)
20M → 21M
7:37 | 7:37/mi
35K
2:25:37
21.75 mi
Rank: #4654 (+52)
21M → 35K
4:52 | 6:31/mi
23M
2:34:05
23.00 mi
Rank: #4556 (+98)
35K → 23M
8:28 | 6:46/mi
24M
2:40:23
24.00 mi
Rank: #4388 (+168)
23M → 24M
6:18 | 6:18/mi
40K
2:46:08
24.85 mi
Rank: #4345 (+43)
24M → 40K
5:45 | 6:44/mi
25.2M
2:48:28
25.20 mi
Rank: #4256 (+89)
40K → 25.2M
2:19 | 6:44/mi
FINISH
2:55:19
26.22 mi
Rank: #4297 (-41)
25.2M → FINISH
6:51 | 6:44/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:25:15
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:30:04
Pace6:53 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:36:0220:076:2920:07
6:29
-
10K
6.21 mi10:55:4839:536:2619:46
6:22
-0:07
15K
9.32 mi11:15:5459:596:2720:06
6:29
+0:07
20K
12.43 mi11:36:451:20:506:3120:51
6:43
+0:14
HALF
13.11 mi11:41:101:25:156:314:25
6:29
-0:14
25K
15.53 mi11:57:351:41:406:3316:25
6:47
+0:18
30K
18.64 mi12:19:212:03:266:3821:46
7:01
+0:14
20M
20.00 mi12:29:032:13:086:409:42
7:09
+0:08
21M
21.00 mi12:36:402:20:456:437:37
7:37
+0:28
35K
21.75 mi12:41:322:25:376:424:52
6:31
-1:06
23M
23.00 mi12:50:002:34:056:428:28
6:46
+0:15
24M
24.00 mi12:56:182:40:236:416:18
6:18
-0:28
40K
24.85 mi13:02:032:46:086:425:45
6:44
+0:26
25.2M
25.20 mi13:04:222:48:286:422:19
6:44
0:00
FINISH
26.22 mi13:11:142:55:196:426:51
6:44
0:00

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

6:18 /mi

Average Pace

6:41 /mi

Slowest Pace

7:37 /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

1:15:34

43% of race

Time at Steady Pace

1:00:40

35% of race

Time at Slower Pace

39:05

22% of race

Average Pace: 6:41 /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 mi10:36:0220:076:2920:07
6:29
#4002
10K
6.21 mi10:55:4839:536:2619:46
6:22
#3613
15K
9.32 mi11:15:5459:596:2720:06
6:29
#3723
20K
12.43 mi11:36:451:20:506:3120:51
6:43
#4081
HALF
13.11 mi11:41:101:25:156:314:25
6:29
#4096
25K
15.53 mi11:57:351:41:406:3316:25
6:47
#4265
30K
18.64 mi12:19:212:03:266:3821:46
7:01
#4478
20M
20.00 mi12:29:032:13:086:409:42
7:09
#4586
21M
21.00 mi12:36:402:20:456:437:37
7:37
#4706
35K
21.75 mi12:41:322:25:376:424:52
6:31
#4654
23M
23.00 mi12:50:002:34:056:428:28
6:46
#4556
24M
24.00 mi12:56:182:40:236:416:18
6:18
#4388
40K
24.85 mi13:02:032:46:086:425:45
6:44
#4345
25.2M
25.20 mi13:04:222:48:286:422:19
6:44
#4256
FINISH
26.22 mi13:11:142:55:196:426:51
6:44
#4297
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4002380538054005(Top 14%)3806(Top 23%)3806(Top 158%)
10K6.21 mi3.10 mi3613+3893446+3593446+3593294(Top 11%)3154(Top 19%)3154(Top 131%)
15K9.32 mi3.11 mi3723-1103547-1013547-1014005(Top 14%)3806(Top 23%)3806(Top 158%)
20K12.43 mi3.11 mi4081-3583876-3293876-3295274(Top 18%)4860(Top 30%)4860(Top 201%)
HALF13.11 mi0.68 mi4096-153889-133889-134252(Top 15%)4019(Top 25%)4019(Top 167%)
25K15.53 mi2.42 mi4265-1694026-1374026-1375484(Top 19%)4975(Top 30%)4975(Top 206%)
30K18.64 mi3.11 mi4478-2134208-1824208-1825921(Top 20%)5240(Top 32%)5240(Top 217%)
20M20.00 mi1.36 mi4586-1084288-804288-806492(Top 22%)5559(Top 34%)5559(Top 230%)
21M21.00 mi1.00 mi4706-1204376-884376-887222(Top 25%)5893(Top 36%)5893(Top 244%)
35K21.75 mi0.75 mi4654+524327+494327+493624(Top 12%)3334(Top 20%)3334(Top 138%)
23M23.00 mi1.25 mi4556+984228+994228+993863(Top 13%)3485(Top 21%)3485(Top 144%)
24M24.00 mi1.00 mi4388+1684072+1564072+1562219(Top 8%)2082(Top 13%)2082(Top 86%)
40K24.85 mi0.85 mi4345+434027+454027+453812(Top 13%)3366(Top 21%)3366(Top 139%)
25.2M25.20 mi0.35 mi4256+893953+743953+741659(Top 6%)1548(Top 9%)1548(Top 64%)
FINISH26.22 mi1.02 mi4297-413974-213974-215649(Top 19%)4627(Top 28%)4627(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21
+97ft-345ft

Overall

4005

Males

3806

M45-49

3806

5K→10K

3.1 - 6.2 mi

Top 11%
×5
+79ft-138ft

Overall

3294

Males

3154

M45-49

3154

10K→15K

6.2 - 9.3 mi

Top 14%
×3
+67ft-78ft

Overall

4005

Males

3806

M45-49

3806

15K→20K

9.3 - 12.4 mi

Top 18%
×5
+106ft-86ft

Overall

5274

Males

4860

M45-49

4860

20K→HALF

12.4 - 13.1 mi

Top 15%
×2
+19ft-37ft

Overall

4252

Males

4019

M45-49

4019

HALF→25K

13.1 - 15.5 mi

Top 19%
×4
+66ft-88ft

Overall

5484

Males

4975

M45-49

4975

25K→30K

15.5 - 18.6 mi

Top 20%
×9
+181ft-148ft

Overall

5921

Males

5240

M45-49

5240

30K→20M

18.6 - 20.0 mi

Top 22%
×5
+64ft-50ft

Overall

6492

Males

5559

M45-49

5559

20M→21M

20.0 - 21.0 mi

Top 25%
×8
+106ft-24ft

Overall

7222

Males

5893

M45-49

5893

21M→35K

21.0 - 21.8 mi

Top 12%
×7
+17ft-86ft

Overall

3624

Males

3334

M45-49

3334

35K→23M

21.8 - 23.0 mi

Top 13%
×5
+23ft-63ft

Overall

3863

Males

3485

M45-49

3485

23M→24M

23.0 - 24.0 mi

Top 8%
×6
+12ft-82ft

Overall

2219

Males

2082

M45-49

2082

24M→40K

24.0 - 24.9 mi

Top 13%
×1
+6ft-20ft

Overall

3812

Males

3366

M45-49

3366

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1
+13ft-16ft

Overall

1659

Males

1548

M45-49

1548

25.2M→FINISH

25.2 - 26.2 mi

Top 19%
×2
+22ft-21ft

Overall

5649

Males

4627

M45-49

4627

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1204*
Passed By
1244
Net Change
-295
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4002
5K → 10K415*26+389#4002#3613
10K → 15K43153-110#3613#3723
15K → 20K18200-358#3723#4081
20K → HALF1227-15#4081#4096
HALF → 25K41200-169#4096#4265
25K → 30K56200-213#4265#4478
30K → 20M35143-108#4478#4586
20M → 21M36156-120#4586#4706
21M → 35K597+52#4706#4654
35K → 23M12931+98#4654#4556
23M → 24M1713+168#4556#4388
24M → 40K6623+43#4388#4345
40K → 25.2M890+89#4345#4256
25.2M → FINISH3475-41#4256#4297
TOTALS1204*1244-295

* 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing