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BOSTON MARATHON 2025

Zaccharia Chati

QC

Bib: 18418 X

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Other)
#0 / 71
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
10:30/mi
32:38
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
12:05/mi
1:10:11
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
12:51/mi
1:50:07
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
14:24/mi
2:34:51
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
14:09/mi
2:44:30
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
15:00/mi
3:20:53
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
14:43/mi
4:06:37
↑ 181↓ 1480.2%
138 ft elev
20M
15:10/mi
4:27:14
↑ 64↓ 500.2%
148 ft elev
21M
15:40/mi
4:42:54
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
14:13/mi
4:53:32
↑ 17↓ 861.7%
156 ft elev
23M
15:41/mi
5:13:10
↑ 23↓ 630.6%
116 ft elev
24M
15:14/mi
5:28:24
↓ 821.3%
34 ft elev
40K· 24.85 mi
16:29/mi
5:42:30
↓ 200.3%
20 ft elev
25.2M
19:14/mi
5:49:08
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
16:55/mi
6:06:22
↑ 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
Time2:44:30
Pace12:33 /mi
2nd Half
Distance13.11 mi
Time3:21:52
Pace15:24 /mi
📊Positive Split: 22.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4832:3810:3032:38
10:30
-
10K
6.21 mi12:01:211:10:1111:1837:33
12:05
+1:35
15K
9.32 mi12:41:171:50:0711:4939:56
12:51
+0:46
20K
12.43 mi13:26:012:34:5112:2844:44
14:24
+1:33
Half
13.11 mi13:35:402:44:3012:339:39
14:09
-0:15
25K
15.53 mi14:12:033:20:5312:5636:23
15:00
+0:51
30K
18.64 mi14:57:474:06:3713:1445:44
14:43
-0:17
20M
20.00 mi15:18:244:27:1413:2220:37
15:10
+0:27
21M
21.00 mi15:34:044:42:5413:2815:40
15:40
+0:30
35K
21.75 mi15:44:424:53:3213:3010:38
14:13
-1:27
23M
23.00 mi16:04:205:13:1013:3719:38
15:41
+1:28
24M
24.00 mi16:19:345:28:2413:4115:14
15:14
-0:27
40K
24.85 mi16:33:405:42:3013:4714:06
16:29
+1:15
25.2M
25.20 mi16:40:185:49:0813:516:38
19:14
+2:45
Finish
26.22 mi16:57:326:06:2213:5917:14
16:55
-2:19

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

10:30 /mi

Average Pace

13:59 /mi

Slowest Pace

19:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:07

30% of race

Time at Steady Pace

3:38:17

60% of race

Time at Slower Pace

37:58

10% of race

Average Pace: 13:58 /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 mi11:23:4832:3810:3032:38
10:30
#26755
10K
6.21 mi12:01:211:10:1111:1837:33
12:05
#27635
15K
9.32 mi12:41:171:50:0711:4939:56
12:51
#27890
20K
12.43 mi13:26:012:34:5112:2844:44
14:24
#28087
Half
13.11 mi13:35:402:44:3012:339:39
14:09
#28118
25K
15.53 mi14:12:033:20:5312:5636:23
15:00
#28174
30K
18.64 mi14:57:474:06:3713:1445:44
14:43
#28172
20M
20.00 mi15:18:244:27:1413:2220:37
15:10
#28178
21M
21.00 mi15:34:044:42:5413:2815:40
15:40
#28172
35K
21.75 mi15:44:424:53:3213:3010:38
14:13
#28174
23M
23.00 mi16:04:205:13:1013:3719:38
15:41
#28190
24M
24.00 mi16:19:345:28:2413:4115:14
15:14
#28204
40K
24.85 mi16:33:405:42:3013:4714:06
16:29
#28229
25.2M
25.20 mi16:40:185:49:0813:516:38
19:14
#28243
Finish
26.22 mi16:57:326:06:2213:5917:14
16:55
#28292
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi26755696928114(Top 99%)71(Top 100%)71
10K6.21 mi3.10 mi27635-88071-271-227982(Top 99%)71(Top 100%)71
15K9.32 mi3.11 mi27890-255717128114(Top 99%)71(Top 100%)71
20K12.43 mi3.11 mi28087-197717128313(Top 100%)71(Top 100%)71
Half13.11 mi0.68 mi28118-31717128278(Top 100%)71(Top 100%)71
25K15.53 mi2.42 mi28174-56717128230(Top 99%)71(Top 100%)71
30K18.64 mi3.11 mi28172+2717127907(Top 98%)71(Top 100%)71
20M20.00 mi1.36 mi28178-6717127945(Top 98%)71(Top 100%)71
21M21.00 mi1.00 mi28172+6717127647(Top 97%)70(Top 99%)70
35K21.75 mi0.75 mi28174-2717127794(Top 98%)70(Top 99%)70
23M23.00 mi1.25 mi28190-16717128099(Top 99%)70(Top 99%)70
24M24.00 mi1.00 mi28204-14717128103(Top 99%)70(Top 99%)70
40K24.85 mi0.85 mi28229-25717128196(Top 99%)71(Top 100%)71
25.2M25.20 mi0.35 mi28243-14717128323(Top 100%)71(Top 100%)71
Finish26.22 mi1.02 mi28292-49717128348(Top 100%)71(Top 100%)71

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

28114

X

71

Age Div

71

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

27982

X

71

Age Div

71

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

28114

X

71

Age Div

71

15K→20K

9.3 - 12.4 mi

Top 100%
×5story building
+106ft-86ft

Overall

28313

X

71

Age Div

71

20K→Half

12.4 - 13.1 mi

Top 100%
×2story building
+19ft-37ft

Overall

28278

X

71

Age Div

71

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

28230

X

71

Age Div

71

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

27907

X

71

Age Div

71

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

27945

X

71

Age Div

71

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

27647

X

70

Age Div

70

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

27794

X

70

Age Div

70

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

28099

X

70

Age Div

70

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

28103

X

70

Age Div

70

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28196

X

71

Age Div

71

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

28323

X

71

Age Div

71

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

28348

X

71

Age Div

71

Passing Analysis

Category:
Athletes Passed
105
Passed By
1642
Net Change
-1537
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26755
5K → 10K6886-880#26755#27635
10K → 15K9264-255#27635#27890
15K → 20K5202-197#27890#28087
20K → Half233-31#28087#28118
Half → 25K1369-56#28118#28174
25K → 30K3028+2#28174#28172
30K → 20M1016-6#28172#28178
20M → 21M126+6#28178#28172
21M → 35K46-2#28172#28174
35K → 23M723-16#28174#28190
23M → 24M519-14#28190#28204
24M → 40K227-25#28204#28229
40K → 25.2M014-14#28229#28243
25.2M → Finish049-49#28243#28292
TOTALS1051642-1537
📊

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