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BOSTON MARATHON 2025

Guoqin Liu

CA

Bib: 17210 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 43%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 46%
Division (M55-59)
#0 / 1648
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:24/mi
22:58
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:21/mi
45:48
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:32/mi
1:09:12
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:43/mi
1:33:09
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:34/mi
1:38:19
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:51/mi
1:57:21
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:10/mi
2:22:42
↑ 181↓ 1480.2%
138 ft elev
20M
8:21/mi
2:34:03
↑ 64↓ 500.2%
148 ft elev
21M
8:59/mi
2:43:02
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:03/mi
2:49:03
↑ 17↓ 861.7%
156 ft elev
23M
8:22/mi
2:59:31
↑ 23↓ 630.6%
116 ft elev
24M
8:15/mi
3:07:46
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:35/mi
3:15:06
↓ 200.3%
20 ft elev
25.2M
9:34/mi
3:18:24
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:39/mi
3:27:13
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:19
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:48:54
Pace8:18 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:1922:587:2422:58
7:24
-
10K
6.21 mi11:36:0945:487:2222:50
7:21
-0:03
15K
9.32 mi11:59:331:09:127:2523:24
7:32
+0:11
20K
12.43 mi12:23:301:33:097:3023:57
7:43
+0:11
Half
13.11 mi12:28:401:38:197:305:10
7:34
-0:09
25K
15.53 mi12:47:421:57:217:3319:02
7:51
+0:17
30K
18.64 mi13:13:032:22:427:3925:21
8:10
+0:19
20M
20.00 mi13:24:242:34:037:4211:21
8:21
+0:11
21M
21.00 mi13:33:232:43:027:468:59
8:59
+0:38
35K
21.75 mi13:39:242:49:037:466:01
8:03
-0:56
23M
23.00 mi13:49:522:59:317:4810:28
8:22
+0:19
24M
24.00 mi13:58:073:07:467:498:15
8:15
-0:07
40K
24.85 mi14:05:273:15:067:517:20
8:35
+0:20
25.2M
25.20 mi14:08:453:18:247:523:18
9:34
+0:59
Finish
26.22 mi14:17:343:27:137:558:49
8:39
-0:55

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

7:21 /mi

Average Pace

7:55 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:21

57% of race

Time at Steady Pace

1:01:26

30% of race

Time at Slower Pace

28:26

14% of race

Average Pace: 7:54 /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 mi11:13:1922:587:2422:58
7:24
#11238
10K
6.21 mi11:36:0945:487:2222:50
7:21
#10961
15K
9.32 mi11:59:331:09:127:2523:24
7:32
#11294
20K
12.43 mi12:23:301:33:097:3023:57
7:43
#11593
Half
13.11 mi12:28:401:38:197:305:10
7:34
#11631
25K
15.53 mi12:47:421:57:217:3319:02
7:51
#11802
30K
18.64 mi13:13:032:22:427:3925:21
8:10
#11858
20M
20.00 mi13:24:242:34:037:4211:21
8:21
#11934
21M
21.00 mi13:33:232:43:027:468:59
8:59
#11989
35K
21.75 mi13:39:242:49:037:466:01
8:03
#12016
23M
23.00 mi13:49:522:59:317:4810:28
8:22
#12006
24M
24.00 mi13:58:073:07:467:498:15
8:15
#12039
40K
24.85 mi14:05:273:15:067:517:20
8:35
#12099
25.2M
25.20 mi14:08:453:18:247:523:18
9:34
#12145
Finish
26.22 mi14:17:343:27:137:558:49
8:39
#12335
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi112388819881912042(Top 42%)9084(Top 56%)9084(Top 551%)
10K6.21 mi3.10 mi10961+2778648+1718648+17110733(Top 38%)8530(Top 53%)8530(Top 518%)
15K9.32 mi3.11 mi11294-3338793-1458793-14512042(Top 42%)9084(Top 56%)9084(Top 551%)
20K12.43 mi3.11 mi11593-2998896-1038896-10312474(Top 44%)9180(Top 57%)9180(Top 557%)
Half13.11 mi0.68 mi11631-388925-298925-2912296(Top 43%)9151(Top 57%)9151(Top 555%)
25K15.53 mi2.42 mi11802-1718951-268951-2612738(Top 45%)9180(Top 57%)9180(Top 557%)
30K18.64 mi3.11 mi11858-568904+478904+4712510(Top 44%)8905(Top 55%)8905(Top 540%)
20M20.00 mi1.36 mi11934-768908-48908-412823(Top 45%)8918(Top 55%)8918(Top 541%)
21M21.00 mi1.00 mi11989-558897+118897+1113372(Top 47%)9031(Top 56%)9031(Top 548%)
35K21.75 mi0.75 mi12016-278883+148883+1412504(Top 44%)8565(Top 53%)8565(Top 520%)
23M23.00 mi1.25 mi12006+108842+418842+4112403(Top 44%)8420(Top 52%)8420(Top 511%)
24M24.00 mi1.00 mi12039-338817+258817+2512892(Top 45%)8596(Top 53%)8596(Top 522%)
40K24.85 mi0.85 mi12099-608811+68811+613899(Top 49%)8948(Top 56%)8948(Top 543%)
25.2M25.20 mi0.35 mi12145-468820-98820-914873(Top 52%)9331(Top 58%)9331(Top 566%)
Finish26.22 mi1.02 mi12335-1908877-578877-5717154(Top 60%)10464(Top 65%)10464(Top 635%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

12042

Males

9084

M55-59

9084

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10733

Males

8530

M55-59

8530

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

12042

Males

9084

M55-59

9084

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

12474

Males

9180

M55-59

9180

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

12296

Males

9151

M55-59

9151

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12738

Males

9180

M55-59

9180

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12510

Males

8905

M55-59

8905

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12823

Males

8918

M55-59

8918

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

13372

Males

9031

M55-59

9031

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

12504

Males

8565

M55-59

8565

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

12403

Males

8420

M55-59

8420

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12892

Males

8596

M55-59

8596

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13899

Males

8948

M55-59

8948

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14873

Males

9331

M55-59

9331

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

17154

Males

10464

M55-59

10464

Passing Analysis

Category:
Athletes Passed
1508
Passed By
2605
Net Change
-1097
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11238
5K → 10K425148+277#11238#10961
10K → 15K103436-333#10961#11294
15K → 20K100399-299#11294#11593
20K → Half2260-38#11593#11631
Half → 25K116287-171#11631#11802
25K → 30K219275-56#11802#11858
30K → 20M95171-76#11858#11934
20M → 21M90145-55#11934#11989
21M → 35K5380-27#11989#12016
35K → 23M110100+10#12016#12006
23M → 24M69102-33#12006#12039
24M → 40K54114-60#12039#12099
40K → 25.2M2773-46#12099#12145
25.2M → Finish25215-190#12145#12335
TOTALS15082605-1097
📊

Passing Visuals

Category:
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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