Boston Marathon logo
BOSTON MARATHON 2025

Romuald Le Calonnec

Bib: 5646•M

ON

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 15%
Masters (Masters Men)
#0 / 10463
Top 5%
Division (M40-44)
#0 / 2247
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:37
Rank: #2528
Start → 5K
19:37 | 6:19/mi
10K· 6.21 mi
39:23
Rank: #2664 (-136)
5K → 10K
19:46 | 6:22/mi
15K· 9.32 mi
59:10
Rank: #2674 (-10)
10K → 15K
19:47 | 6:22/mi
20K· 12.43 mi
1:19:20
Rank: #2762 (-88)
15K → 20K
20:10 | 6:29/mi
Half· 13.11 mi
1:23:42
Rank: #2771 (-9)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:39:14
Rank: #2674 (+97)
Half → 25K
15:32 | 6:24/mi
30K· 18.64 mi
1:59:57
Rank: #2635 (+39)
25K → 30K
20:43 | 6:40/mi
20M
2:09:10
Rank: #2624 (+11)
30K → 20M
9:13 | 6:47/mi
21M
2:16:31
Rank: #2678 (-54)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:21:23
Rank: #2648 (+30)
21M → 35K
4:52 | 6:30/mi
23M
2:29:55
Rank: #2618 (+30)
35K → 23M
8:32 | 6:49/mi
24M
2:36:42
Rank: #2620 (-2)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:42:41
Rank: #2636 (-16)
24M → 40K
5:59 | 7:00/mi
25.2M
2:45:14
Rank: #2630 (+6)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:51:59
Rank: #2637 (-7)
25.2M → Finish
6:45 | 6:37/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:42
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time1:28:17
Pace6:44 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0519:376:1919:37
6:19
-
10K
6.21 mi10:44:5139:236:2019:46
6:22
+0:03
15K
9.32 mi11:04:3859:106:2119:47
6:22
0:00
20K
12.43 mi11:24:481:19:206:2320:10
6:29
+0:07
Half
13.11 mi11:29:101:23:426:234:22
6:24
-0:05
25K
15.53 mi11:44:421:39:146:2315:32
6:24
0:00
30K
18.64 mi12:05:251:59:576:2620:43
6:40
+0:16
20M
20.00 mi12:14:382:09:106:279:13
6:47
+0:07
21M
21.00 mi12:21:592:16:316:307:21
7:21
+0:34
35K
21.75 mi12:26:512:21:236:304:52
6:30
-0:51
23M
23.00 mi12:35:232:29:556:318:32
6:49
+0:19
24M
24.00 mi12:42:102:36:426:326:47
6:47
-0:02
40K
24.85 mi12:48:092:42:416:335:59
7:00
+0:13
25.2M
25.20 mi12:50:422:45:146:332:33
7:24
+0:24
Finish
26.22 mi12:57:272:51:596:346:45
6:37
-0:47

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

6:19 /mi

Average Pace

6:34 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:06

91% of race

Time at Steady Pace

15:53

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:34 /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 mi10:25:0519:376:1919:37
6:19
#2528
10K
6.21 mi10:44:5139:236:2019:46
6:22
#2664
15K
9.32 mi11:04:3859:106:2119:47
6:22
#2674
20K
12.43 mi11:24:481:19:206:2320:10
6:29
#2762
Half
13.11 mi11:29:101:23:426:234:22
6:24
#2771
25K
15.53 mi11:44:421:39:146:2315:32
6:24
#2674
30K
18.64 mi12:05:251:59:576:2620:43
6:40
#2635
20M
20.00 mi12:14:382:09:106:279:13
6:47
#2624
21M
21.00 mi12:21:592:16:316:307:21
7:21
#2678
35K
21.75 mi12:26:512:21:236:304:52
6:30
#2648
23M
23.00 mi12:35:232:29:556:318:32
6:49
#2618
24M
24.00 mi12:42:102:36:426:326:47
6:47
#2620
40K
24.85 mi12:48:092:42:416:335:59
7:00
#2636
25.2M
25.20 mi12:50:422:45:146:332:33
7:24
#2630
Finish
26.22 mi12:57:272:51:596:346:45
6:37
#2637
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2528240924092742(Top 10%)2612(Top 16%)2612(Top 116%)
10K6.21 mi3.10 mi2664-1362538-1292538-1292820(Top 10%)2686(Top 17%)2686(Top 120%)
15K9.32 mi3.11 mi2674-102550-122550-122742(Top 10%)2612(Top 16%)2612(Top 116%)
20K12.43 mi3.11 mi2762-882634-842634-843078(Top 11%)2924(Top 18%)2924(Top 130%)
Half13.11 mi0.68 mi2771-92643-92643-93083(Top 11%)2944(Top 18%)2944(Top 131%)
25K15.53 mi2.42 mi2674+972552+912552+912414(Top 8%)2297(Top 14%)2297(Top 102%)
30K18.64 mi3.11 mi2635+392514+382514+382732(Top 10%)2586(Top 16%)2586(Top 115%)
20M20.00 mi1.36 mi2624+112506+82506+82843(Top 10%)2659(Top 17%)2659(Top 118%)
21M21.00 mi1.00 mi2678-542550-442550-443869(Top 14%)3519(Top 22%)3519(Top 157%)
35K21.75 mi0.75 mi2648+302522+282522+282514(Top 9%)2347(Top 15%)2347(Top 104%)
23M23.00 mi1.25 mi2618+302488+342488+342791(Top 10%)2565(Top 16%)2565(Top 114%)
24M24.00 mi1.00 mi2620-22487+12487+13410(Top 12%)3065(Top 19%)3065(Top 136%)
40K24.85 mi0.85 mi2636-162498-112498-113889(Top 14%)3408(Top 21%)3408(Top 152%)
25.2M25.20 mi0.35 mi2630+62491+72491+72954(Top 10%)2633(Top 16%)2633(Top 117%)
Finish26.22 mi1.02 mi2637-72496-52496-53477(Top 12%)3046(Top 19%)3046(Top 136%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2742

Males

2612

M40-44

2612

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2820

Males

2686

M40-44

2686

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2742

Males

2612

M40-44

2612

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3078

Males

2924

M40-44

2924

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3083

Males

2944

M40-44

2944

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2414

Males

2297

M40-44

2297

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2732

Males

2586

M40-44

2586

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2843

Males

2659

M40-44

2659

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3869

Males

3519

M40-44

3519

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2514

Males

2347

M40-44

2347

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2791

Males

2565

M40-44

2565

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3410

Males

3065

M40-44

3065

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3889

Males

3408

M40-44

3408

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2954

Males

2633

M40-44

2633

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3477

Males

3046

M40-44

3046

Passing Analysis

Category:
Athletes Passed
746
Passed By
855
Net Change
-109
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2528
5K → 10K68204-136#2528#2664
10K → 15K7989-10#2664#2674
15K → 20K44132-88#2674#2762
20K → Half918-9#2762#2771
Half → 25K11720+97#2771#2674
25K → 30K10768+39#2674#2635
30K → 20M5948+11#2635#2624
20M → 21M3791-54#2624#2678
21M → 35K4414+30#2678#2648
35K → 23M6232+30#2648#2618
23M → 24M3941-2#2618#2620
24M → 40K3450-16#2620#2636
40K → 25.2M1812+6#2636#2630
25.2M → Finish2936-7#2630#2637
TOTALS746855-109
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing