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BOSTON MARATHON 2025

Mingliang Guo

Bib: 2593•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Masters (Masters Men)
#0 / 10463
Top 2%
Division (M45-49)
#0 / 2386
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:29
Rank: #2246
Start → 5K
6:16/mi
19:29 split
10K· 6.21 mi
38:53
Rank: #2164 (+82)
5K → 10K
6:15/mi
19:24 split
15K· 9.32 mi
58:20
Rank: #2145 (+19)
10K → 15K
6:16/mi
19:27 split
20K· 12.43 mi
1:17:52
Rank: #2082 (+63)
15K → 20K
6:17/mi
19:32 split
Half· 13.11 mi
1:22:01
Rank: #2040 (+42)
20K → Half
6:05/mi
4:09 split
25K· 15.53 mi
1:37:15
Rank: #1989 (+51)
Half → 25K
6:17/mi
15:14 split
30K· 18.64 mi
1:57:10
Rank: #1873 (+116)
25K → 30K
6:25/mi
19:55 split
20M
2:05:52
Rank: #1805 (+68)
30K → 20M
6:24/mi
8:42 split
21M
2:12:45
Rank: #1772 (+33)
20M → 21M
6:53/mi
6:53 split
35K· 21.75 mi
2:17:26
Rank: #1736 (+36)
21M → 35K
6:16/mi
4:41 split
23M
2:25:27
Rank: #1653 (+83)
35K → 23M
6:24/mi
8:01 split
24M
2:31:43
Rank: #1596 (+57)
23M → 24M
6:16/mi
6:16 split
40K· 24.85 mi
2:37:08
Rank: #1543 (+53)
24M → 40K
6:20/mi
5:25 split
25.2M
2:39:33
Rank: #1537 (+6)
40K → 25.2M
7:00/mi
2:25 split
Finish· 26.22 mi
2:45:48
Rank: #1504 (+33)
25.2M → Finish
6:08/mi
6:15 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:01
Pace6:15 /mi
2nd Half
Distance13.11 mi
Time1:23:47
Pace6:23 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0719:296:1619:29
6:16
-
10K
6.21 mi10:40:3138:536:1519:24
6:15
-0:01
15K
9.32 mi10:59:5858:206:1619:27
6:16
+0:01
20K
12.43 mi11:19:301:17:526:1619:32
6:17
+0:01
Half
13.11 mi11:23:391:22:016:154:09
6:05
-0:12
25K
15.53 mi11:38:531:37:156:1615:14
6:17
+0:12
30K
18.64 mi11:58:481:57:106:1719:55
6:25
+0:08
20M
20.00 mi12:07:302:05:526:188:42
6:24
-0:01
21M
21.00 mi12:14:232:12:456:196:53
6:53
+0:29
35K
21.75 mi12:19:042:17:266:194:41
6:16
-0:37
23M
23.00 mi12:27:052:25:276:198:01
6:24
+0:08
24M
24.00 mi12:33:212:31:436:196:16
6:16
-0:08
40K
24.85 mi12:38:462:37:086:195:25
6:20
+0:04
25.2M
25.20 mi12:41:112:39:336:202:25
7:00
+0:40
Finish
26.22 mi12:47:262:45:486:206:15
6:08
-0:52

Checkpoints & Pacing

📈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

6:05 /mi

Average Pace

6:20 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:30

94% of race

Time at Steady Pace

9:18

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:19 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:21:0719:296:1619:29
6:16
#2246
10K
6.21 mi10:40:3138:536:1519:24
6:15
#2164
15K
9.32 mi10:59:5858:206:1619:27
6:16
#2145
20K
12.43 mi11:19:301:17:526:1619:32
6:17
#2082
Half
13.11 mi11:23:391:22:016:154:09
6:05
#2040
25K
15.53 mi11:38:531:37:156:1615:14
6:17
#1989
30K
18.64 mi11:58:481:57:106:1719:55
6:25
#1873
20M
20.00 mi12:07:302:05:526:188:42
6:24
#1805
21M
21.00 mi12:14:232:12:456:196:53
6:53
#1772
35K
21.75 mi12:19:042:17:266:194:41
6:16
#1736
23M
23.00 mi12:27:052:25:276:198:01
6:24
#1653
24M
24.00 mi12:33:212:31:436:196:16
6:16
#1596
40K
24.85 mi12:38:462:37:086:195:25
6:20
#1543
25.2M
25.20 mi12:41:112:39:336:202:25
7:00
#1537
Finish
26.22 mi12:47:262:45:486:206:15
6:08
#1504
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2246214521452143(Top 8%)2045(Top 13%)2045(Top 86%)
10K6.21 mi3.10 mi2164+822065+802065+802116(Top 7%)2019(Top 13%)2019(Top 85%)
15K9.32 mi3.11 mi2145+192048+172048+172143(Top 8%)2045(Top 13%)2045(Top 86%)
20K12.43 mi3.11 mi2082+631987+611987+611943(Top 7%)1850(Top 11%)1850(Top 78%)
Half13.11 mi0.68 mi2040+421948+391948+391477(Top 5%)1405(Top 9%)1405(Top 59%)
25K15.53 mi2.42 mi1989+511896+521896+521778(Top 6%)1689(Top 10%)1689(Top 71%)
30K18.64 mi3.11 mi1873+1161784+1121784+1121593(Top 6%)1510(Top 9%)1510(Top 63%)
20M20.00 mi1.36 mi1805+681717+671717+671257(Top 4%)1188(Top 7%)1188(Top 50%)
21M21.00 mi1.00 mi1772+331683+341683+341805(Top 6%)1700(Top 11%)1700(Top 71%)
35K21.75 mi0.75 mi1736+361646+371646+371447(Top 5%)1371(Top 9%)1371(Top 57%)
23M23.00 mi1.25 mi1653+831565+811565+811145(Top 4%)1081(Top 7%)1081(Top 45%)
24M24.00 mi1.00 mi1596+571510+551510+551210(Top 4%)1135(Top 7%)1135(Top 48%)
40K24.85 mi0.85 mi1543+531458+521458+521055(Top 4%)987(Top 6%)987(Top 41%)
25.2M25.20 mi0.35 mi1537+61453+51453+51476(Top 5%)1347(Top 8%)1347(Top 56%)
Finish26.22 mi1.02 mi1504+331421+321421+321301(Top 5%)1214(Top 8%)1214(Top 51%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2143

Males

2045

M45-49

2045

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

2116

Males

2019

M45-49

2019

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2143

Males

2045

M45-49

2045

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1943

Males

1850

M45-49

1850

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1477

Males

1405

M45-49

1405

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1778

Males

1689

M45-49

1689

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1593

Males

1510

M45-49

1510

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1257

Males

1188

M45-49

1188

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1805

Males

1700

M45-49

1700

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1447

Males

1371

M45-49

1371

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1145

Males

1081

M45-49

1081

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1210

Males

1135

M45-49

1135

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1055

Males

987

M45-49

987

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1476

Males

1347

M45-49

1347

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1301

Males

1214

M45-49

1214

Passing Analysis

Category:
Athletes Passed
1033
Passed By
291
Net Change
+742
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2246
5K → 10K15775+82#2246#2164
10K → 15K8162+19#2164#2145
15K → 20K9128+63#2145#2082
20K → Half442+42#2082#2040
Half → 25K8029+51#2040#1989
25K → 30K13923+116#1989#1873
30K → 20M768+68#1873#1805
20M → 21M5017+33#1805#1772
21M → 35K393+36#1772#1736
35K → 23M918+83#1736#1653
23M → 24M669+57#1653#1596
24M → 40K585+53#1596#1543
40K → 25.2M1610+6#1543#1537
25.2M → Finish4512+33#1537#1504
TOTALS1033291+742
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing