Boston Marathon logo
BOSTON MARATHON 2025

Dario Ciardelli

Bib: 3643•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Masters (Masters Men)
#0 / 10463
Top 2%
Division (M40-44)
#0 / 2247
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:06
Rank: #1600
Start → 5K
19:06 | 6:09/mi
10K· 6.21 mi
38:11
Rank: #1608 (-8)
5K → 10K
19:05 | 6:09/mi
15K· 9.32 mi
57:16
Rank: #1585 (+23)
10K → 15K
19:05 | 6:09/mi
20K· 12.43 mi
1:16:27
Rank: #1534 (+51)
15K → 20K
19:11 | 6:10/mi
Half· 13.11 mi
1:20:37
Rank: #1537 (-3)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:35:27
Rank: #1450 (+87)
Half → 25K
14:50 | 6:07/mi
30K· 18.64 mi
1:56:04
Rank: #1605 (-155)
25K → 30K
20:37 | 6:38/mi
20M
2:04:54
Rank: #1574 (+31)
30K → 20M
8:50 | 6:30/mi
21M
2:11:58
Rank: #1604 (-30)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:16:39
Rank: #1585 (+19)
21M → 35K
4:41 | 6:16/mi
23M
2:24:47
Rank: #1532 (+53)
35K → 23M
8:08 | 6:30/mi
24M
2:31:05
Rank: #1488 (+44)
23M → 24M
6:18 | 6:18/mi
40K· 24.85 mi
2:36:35
Rank: #1454 (+34)
24M → 40K
5:30 | 6:26/mi
25.2M
2:39:03
Rank: #1454
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:45:36
Rank: #1464 (-10)
25.2M → Finish
6:33 | 6:26/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
Time1:20:37
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:24:59
Pace6:29 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5319:066:0919:06
6:09
-
10K
6.21 mi10:40:5838:116:0919:05
6:09
0:00
15K
9.32 mi11:00:0357:166:0919:05
6:09
0:00
20K
12.43 mi11:19:141:16:276:0919:11
6:10
+0:01
Half
13.11 mi11:23:241:20:376:094:10
6:06
-0:04
25K
15.53 mi11:38:141:35:276:0914:50
6:07
+0:01
30K
18.64 mi11:58:511:56:046:1420:37
6:38
+0:31
20M
20.00 mi12:07:412:04:546:158:50
6:30
-0:08
21M
21.00 mi12:14:452:11:586:177:04
7:04
+0:34
35K
21.75 mi12:19:262:16:396:174:41
6:16
-0:48
23M
23.00 mi12:27:342:24:476:188:08
6:30
+0:14
24M
24.00 mi12:33:522:31:056:186:18
6:18
-0:12
40K
24.85 mi12:39:222:36:356:185:30
6:26
+0:08
25.2M
25.20 mi12:41:502:39:036:192:28
7:09
+0:43
Finish
26.22 mi12:48:232:45:366:196:33
6:26
-0:43

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

6:06 /mi

Average Pace

6:19 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:04

94% of race

Time at Steady Pace

9:32

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 mi10:21:5319:066:0919:06
6:09
#1600
10K
6.21 mi10:40:5838:116:0919:05
6:09
#1608
15K
9.32 mi11:00:0357:166:0919:05
6:09
#1585
20K
12.43 mi11:19:141:16:276:0919:11
6:10
#1534
Half
13.11 mi11:23:241:20:376:094:10
6:06
#1537
25K
15.53 mi11:38:141:35:276:0914:50
6:07
#1450
30K
18.64 mi11:58:511:56:046:1420:37
6:38
#1605
20M
20.00 mi12:07:412:04:546:158:50
6:30
#1574
21M
21.00 mi12:14:452:11:586:177:04
7:04
#1604
35K
21.75 mi12:19:262:16:396:174:41
6:16
#1585
23M
23.00 mi12:27:342:24:476:188:08
6:30
#1532
24M
24.00 mi12:33:522:31:056:186:18
6:18
#1488
40K
24.85 mi12:39:222:36:356:185:30
6:26
#1454
25.2M
25.20 mi12:41:502:39:036:192:28
7:09
#1454
Finish
26.22 mi12:48:232:45:366:196:33
6:26
#1464
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1600151915191570(Top 6%)1493(Top 9%)1493(Top 66%)
10K6.21 mi3.10 mi1608-81529-101529-101642(Top 6%)1563(Top 10%)1563(Top 70%)
15K9.32 mi3.11 mi1585+231508+211508+211570(Top 6%)1493(Top 9%)1493(Top 66%)
20K12.43 mi3.11 mi1534+511456+521456+521472(Top 5%)1394(Top 9%)1394(Top 62%)
Half13.11 mi0.68 mi1537-31460-41460-41555(Top 5%)1478(Top 9%)1478(Top 66%)
25K15.53 mi2.42 mi1450+871376+841376+841157(Top 4%)1091(Top 7%)1091(Top 49%)
30K18.64 mi3.11 mi1605-1551522-1461522-1462554(Top 9%)2415(Top 15%)2415(Top 107%)
20M20.00 mi1.36 mi1574+311493+291493+291615(Top 6%)1526(Top 9%)1526(Top 68%)
21M21.00 mi1.00 mi1604-301521-281521-282502(Top 9%)2328(Top 14%)2328(Top 104%)
35K21.75 mi0.75 mi1585+191501+201501+201444(Top 5%)1368(Top 8%)1368(Top 61%)
23M23.00 mi1.25 mi1532+531450+511450+511433(Top 5%)1349(Top 8%)1349(Top 60%)
24M24.00 mi1.00 mi1488+441407+431407+431310(Top 5%)1225(Top 8%)1225(Top 55%)
40K24.85 mi0.85 mi1454+341373+341373+341370(Top 5%)1271(Top 8%)1271(Top 57%)
25.2M25.20 mi0.35 mi14541374-11374-11917(Top 7%)1730(Top 11%)1730(Top 77%)
Finish26.22 mi1.02 mi1464-101382-81382-82420(Top 9%)2200(Top 14%)2200(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1570

Males

1493

M40-44

1493

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1642

Males

1563

M40-44

1563

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1570

Males

1493

M40-44

1493

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1472

Males

1394

M40-44

1394

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1555

Males

1478

M40-44

1478

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1157

Males

1091

M40-44

1091

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2554

Males

2415

M40-44

2415

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1615

Males

1526

M40-44

1526

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2502

Males

2328

M40-44

2328

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1444

Males

1368

M40-44

1368

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1433

Males

1349

M40-44

1349

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1310

Males

1225

M40-44

1225

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1370

Males

1271

M40-44

1271

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1917

Males

1730

M40-44

1730

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2420

Males

2200

M40-44

2200

Passing Analysis

Category:
Athletes Passed
638
Passed By
502
Net Change
+136
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1600
5K → 10K8189-8#1600#1608
10K → 15K6340+23#1608#1585
15K → 20K7423+51#1585#1534
20K → Half1215-3#1534#1537
Half → 25K903+87#1537#1450
25K → 30K23178-155#1450#1605
30K → 20M4716+31#1605#1574
20M → 21M2757-30#1574#1604
21M → 35K3718+19#1604#1585
35K → 23M6613+53#1585#1532
23M → 24M495+44#1532#1488
24M → 40K4410+34#1488#1454
40K → 25.2M660#1454#1454
25.2M → Finish1929-10#1454#1464
TOTALS638502+136
📊

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