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BOSTON MARATHON 2025

Lachlan Deller

Bib: 2332•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 14%
Division (M18-39)
#0 / 5642
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:23/mi
19:51
↑ 97↓ 3451.5%
10K· 6.21 mi
6:19/mi
39:30
↑ 79↓ 1380.4%
15K· 9.32 mi
6:14/mi
58:53
↑ 67↓ 78
20K· 12.43 mi
6:18/mi
1:18:28
↑ 106↓ 860.1%
Half· 13.11 mi
6:09/mi
1:22:40
↑ 19↓ 370.5%
25K· 15.53 mi
6:22/mi
1:38:07
↑ 66↓ 880.2%
30K· 18.64 mi
6:34/mi
1:58:32
↑ 181↓ 1480.2%
20M
6:37/mi
2:07:32
↑ 64↓ 500.2%
21M
7:00/mi
2:14:32
↑ 106↓ 241.6%
35K· 21.75 mi
6:54/mi
2:19:42
↑ 17↓ 861.7%
23M
7:07/mi
2:28:37
↑ 23↓ 630.6%
24M
6:49/mi
2:35:26
↓ 821.3%
40K· 24.85 mi
6:55/mi
2:41:21
↓ 200.3%
25.2M
7:32/mi
2:43:57
↑ 13↓ 160.2%
Finish· 26.22 mi
6:33/mi
2:50:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:40
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:27:57
Pace6:43 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4519:516:2319:51
6:23
-
10K
6.21 mi10:41:2439:306:2119:39
6:19
-0:04
15K
9.32 mi11:00:4758:536:1919:23
6:14
-0:05
20K
12.43 mi11:20:221:18:286:1919:35
6:18
+0:04
Half
13.11 mi11:24:341:22:406:184:12
6:09
-0:09
25K
15.53 mi11:40:011:38:076:1915:27
6:22
+0:13
30K
18.64 mi12:00:261:58:326:2220:25
6:34
+0:12
20M
20.00 mi12:09:262:07:326:239:00
6:37
+0:03
21M
21.00 mi12:16:262:14:326:247:00
7:00
+0:23
35K
21.75 mi12:21:362:19:426:255:10
6:54
-0:06
23M
23.00 mi12:30:312:28:376:288:55
7:07
+0:13
24M
24.00 mi12:37:202:35:266:296:49
6:49
-0:18
40K
24.85 mi12:43:152:41:216:305:55
6:55
+0:06
25.2M
25.20 mi12:45:512:43:576:302:36
7:32
+0:37
Finish
26.22 mi12:52:312:50:376:316:40
6:33
-0:59

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

6:09 /mi

Average Pace

6:31 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:16

46% of race

Time at Steady Pace

55:56

33% of race

Time at Slower Pace

36:25

21% of race

Average Pace: 6:30 /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 mi10:21:4519:516:2319:51
6:23
#3033
10K
6.21 mi10:41:2439:306:2119:39
6:19
#2771
15K
9.32 mi11:00:4758:536:1919:23
6:14
#2487
20K
12.43 mi11:20:221:18:286:1919:35
6:18
#2332
Half
13.11 mi11:24:341:22:406:184:12
6:09
#2294
25K
15.53 mi11:40:011:38:076:1915:27
6:22
#2268
30K
18.64 mi12:00:261:58:326:2220:25
6:34
#2223
20M
20.00 mi12:09:262:07:326:239:00
6:37
#2205
21M
21.00 mi12:16:262:14:326:247:00
7:00
#2188
35K
21.75 mi12:21:362:19:426:255:10
6:54
#2237
23M
23.00 mi12:30:312:28:376:288:55
7:07
#2319
24M
24.00 mi12:37:202:35:266:296:49
6:49
#2351
40K
24.85 mi12:43:152:41:216:305:55
6:55
#2361
25.2M
25.20 mi12:45:512:43:576:302:36
7:32
#2378
Finish
26.22 mi12:52:312:50:376:316:40
6:33
#2379
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3033288028802028(Top 7%)1932(Top 12%)1932(Top 34%)
10K6.21 mi3.10 mi2771+2622639+2412639+2412560(Top 9%)2444(Top 15%)2444(Top 43%)
15K9.32 mi3.11 mi2487+2842373+2662373+2662028(Top 7%)1932(Top 12%)1932(Top 34%)
20K12.43 mi3.11 mi2332+1552225+1482225+1482025(Top 7%)1930(Top 12%)1930(Top 34%)
Half13.11 mi0.68 mi2294+382190+352190+351770(Top 6%)1686(Top 10%)1686(Top 30%)
25K15.53 mi2.42 mi2268+262165+252165+252218(Top 8%)2111(Top 13%)2111(Top 37%)
30K18.64 mi3.11 mi2223+452118+472118+472284(Top 8%)2163(Top 13%)2163(Top 38%)
20M20.00 mi1.36 mi2205+182102+162102+162117(Top 7%)2004(Top 12%)2004(Top 36%)
21M21.00 mi1.00 mi2188+172086+162086+162241(Top 8%)2092(Top 13%)2092(Top 37%)
35K21.75 mi0.75 mi2237-492133-472133-474708(Top 17%)4151(Top 26%)4151(Top 74%)
23M23.00 mi1.25 mi2319-822211-782211-784427(Top 16%)3894(Top 24%)3894(Top 69%)
24M24.00 mi1.00 mi2351-322238-272238-273571(Top 13%)3190(Top 20%)3190(Top 57%)
40K24.85 mi0.85 mi2361-102245-72245-73415(Top 12%)3034(Top 19%)3034(Top 54%)
25.2M25.20 mi0.35 mi2378-172257-122257-123508(Top 12%)3052(Top 19%)3052(Top 54%)
Finish26.22 mi1.02 mi2379-12254+32254+33003(Top 11%)2671(Top 17%)2671(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21story building
+97ft-345ft

Overall

2028

Males

1932

M18-39

1932

5K→10K

3.1 - 6.2 mi

Top 9%
×5story building
+79ft-138ft

Overall

2560

Males

2444

M18-39

2444

10K→15K

6.2 - 9.3 mi

Top 7%
×3story building
+67ft-78ft

Overall

2028

Males

1932

M18-39

1932

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

2025

Males

1930

M18-39

1930

20K→Half

12.4 - 13.1 mi

Top 6%
×2story building
+19ft-37ft

Overall

1770

Males

1686

M18-39

1686

Half→25K

13.1 - 15.5 mi

Top 8%
×4story building
+66ft-88ft

Overall

2218

Males

2111

M18-39

2111

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

2284

Males

2163

M18-39

2163

30K→20M

18.6 - 20.0 mi

Top 7%
×5story building
+64ft-50ft

Overall

2117

Males

2004

M18-39

2004

20M→21M

20.0 - 21.0 mi

Top 8%
×8story building
+106ft-24ft

Overall

2241

Males

2092

M18-39

2092

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4708

Males

4151

M18-39

4151

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4427

Males

3894

M18-39

3894

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3571

Males

3190

M18-39

3190

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3415

Males

3034

M18-39

3034

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3508

Males

3052

M18-39

3052

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

3003

Males

2671

M18-39

2671

Passing Analysis

Category:
Athletes Passed
1205
Passed By
551
Net Change
+654
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3033
5K → 10K30038+262#3033#2771
10K → 15K2895+284#2771#2487
15K → 20K16712+155#2487#2332
20K → Half391+38#2332#2294
Half → 25K6539+26#2294#2268
25K → 30K10661+45#2268#2223
30K → 20M4628+18#2223#2205
20M → 21M5235+17#2205#2188
21M → 35K1160-49#2188#2237
35K → 23M29111-82#2237#2319
23M → 24M2860-32#2319#2351
24M → 40K2838-10#2351#2361
40K → 25.2M1532-17#2361#2378
25.2M → Finish3031-1#2378#2379
TOTALS1205551+654
📊

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