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BOSTON MARATHON 2025

Thomas Giardino

Bib: 3798•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Masters (Masters Men)
#0 / 10463
Top 3%
Division (M50-54)
#0 / 1996
Top 1%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:12
Rank: #3824
Start → 5K
20:12 | 6:30/mi
10K· 6.21 mi
40:27
Rank: #3844 (-20)
5K → 10K
20:15 | 6:31/mi
15K· 9.32 mi
1:00:20
Rank: #3486 (+358)
10K → 15K
19:53 | 6:24/mi
20K· 12.43 mi
1:20:16
Rank: #3220 (+266)
15K → 20K
19:56 | 6:25/mi
Half· 13.11 mi
1:24:34
Rank: #3169 (+51)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:40:01
Rank: #2978 (+191)
Half → 25K
15:27 | 6:22/mi
30K· 18.64 mi
2:00:16
Rank: #2724 (+254)
25K → 30K
20:15 | 6:31/mi
20M
2:09:10
Rank: #2619 (+105)
30K → 20M
8:54 | 6:33/mi
21M
2:16:02
Rank: #2533 (+86)
20M → 21M
6:52 | 6:52/mi
35K· 21.75 mi
2:20:42
Rank: #2463 (+70)
21M → 35K
4:40 | 6:14/mi
23M
2:28:43
Rank: #2345 (+118)
35K → 23M
8:01 | 6:24/mi
24M
2:34:58
Rank: #2251 (+94)
23M → 24M
6:15 | 6:15/mi
40K· 24.85 mi
2:40:26
Rank: #2176 (+75)
24M → 40K
5:28 | 6:24/mi
25.2M
2:42:50
Rank: #2145 (+31)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:49:08
Rank: #2101 (+44)
25.2M → Finish
6:18 | 6:11/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:24:34
Pace6:27 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:34
Pace6:27 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5220:126:3020:12
6:30
-
10K
6.21 mi10:43:0740:276:3120:15
6:31
+0:01
15K
9.32 mi11:03:001:00:206:2819:53
6:24
-0:07
20K
12.43 mi11:22:561:20:166:2819:56
6:25
+0:01
Half
13.11 mi11:27:141:24:346:274:18
6:18
-0:07
25K
15.53 mi11:42:411:40:016:2615:27
6:22
+0:04
30K
18.64 mi12:02:562:00:166:2720:15
6:31
+0:09
20M
20.00 mi12:11:502:09:106:278:54
6:33
+0:02
21M
21.00 mi12:18:422:16:026:296:52
6:52
+0:19
35K
21.75 mi12:23:222:20:426:284:40
6:14
-0:38
23M
23.00 mi12:31:232:28:436:288:01
6:24
+0:10
24M
24.00 mi12:37:382:34:586:276:15
6:15
-0:09
40K
24.85 mi12:43:062:40:266:275:28
6:24
+0:09
25.2M
25.20 mi12:45:302:42:506:282:24
6:58
+0:34
Finish
26.22 mi12:51:482:49:086:276:18
6:11
-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

6:11 /mi

Average Pace

6:27 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:52

95% of race

Time at Steady Pace

9:16

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:27 /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 mi10:22:5220:126:3020:12
6:30
#3824
10K
6.21 mi10:43:0740:276:3120:15
6:31
#3844
15K
9.32 mi11:03:001:00:206:2819:53
6:24
#3486
20K
12.43 mi11:22:561:20:166:2819:56
6:25
#3220
Half
13.11 mi11:27:141:24:346:274:18
6:18
#3169
25K
15.53 mi11:42:411:40:016:2615:27
6:22
#2978
30K
18.64 mi12:02:562:00:166:2720:15
6:31
#2724
20M
20.00 mi12:11:502:09:106:278:54
6:33
#2619
21M
21.00 mi12:18:422:16:026:296:52
6:52
#2533
35K
21.75 mi12:23:222:20:426:284:40
6:14
#2463
23M
23.00 mi12:31:232:28:436:288:01
6:24
#2345
24M
24.00 mi12:37:382:34:586:276:15
6:15
#2251
40K
24.85 mi12:43:062:40:266:275:28
6:24
#2176
25.2M
25.20 mi12:45:302:42:506:282:24
6:58
#2145
Finish
26.22 mi12:51:482:49:086:276:18
6:11
#2101
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi3824361736172926(Top 10%)2790(Top 17%)2790(Top 140%)
10K6.21 mi3.10 mi3844-203635-183635-183850(Top 14%)3627(Top 23%)3627(Top 182%)
15K9.32 mi3.11 mi3486+3583307+3283307+3282926(Top 10%)2790(Top 17%)2790(Top 140%)
20K12.43 mi3.11 mi3220+2663066+2413066+2412603(Top 9%)2480(Top 15%)2480(Top 124%)
Half13.11 mi0.68 mi3169+513019+473019+472484(Top 9%)2373(Top 15%)2373(Top 119%)
25K15.53 mi2.42 mi2978+1912837+1822837+1822209(Top 8%)2102(Top 13%)2102(Top 105%)
30K18.64 mi3.11 mi2724+2542596+2412596+2412046(Top 7%)1945(Top 12%)1945(Top 97%)
20M20.00 mi1.36 mi2619+1052501+952501+951800(Top 6%)1704(Top 11%)1704(Top 85%)
21M21.00 mi1.00 mi2533+862415+862415+861745(Top 6%)1646(Top 10%)1646(Top 82%)
35K21.75 mi0.75 mi2463+702347+682347+681381(Top 5%)1308(Top 8%)1308(Top 66%)
23M23.00 mi1.25 mi2345+1182234+1132234+1131155(Top 4%)1091(Top 7%)1091(Top 55%)
24M24.00 mi1.00 mi2251+942142+922142+921169(Top 4%)1096(Top 7%)1096(Top 55%)
40K24.85 mi0.85 mi2176+752067+752067+751247(Top 4%)1160(Top 7%)1160(Top 58%)
25.2M25.20 mi0.35 mi2145+312036+312036+311361(Top 5%)1248(Top 8%)1248(Top 63%)
Finish26.22 mi1.02 mi2101+441993+431993+431465(Top 5%)1363(Top 8%)1363(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2926

Males

2790

M50-54

2790

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3850

Males

3627

M50-54

3627

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2926

Males

2790

M50-54

2790

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2603

Males

2480

M50-54

2480

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2484

Males

2373

M50-54

2373

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2209

Males

2102

M50-54

2102

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2046

Males

1945

M50-54

1945

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1800

Males

1704

M50-54

1704

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1745

Males

1646

M50-54

1646

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1381

Males

1308

M50-54

1308

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1155

Males

1091

M50-54

1091

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1169

Males

1096

M50-54

1096

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1247

Males

1160

M50-54

1160

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1361

Males

1248

M50-54

1248

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1465

Males

1363

M50-54

1363

Passing Analysis

Category:
Athletes Passed
1937
Passed By
214
Net Change
+1723
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3824
5K → 10K126146-20#3824#3844
10K → 15K3646+358#3844#3486
15K → 20K2748+266#3486#3220
20K → Half532+51#3220#3169
Half → 25K1943+191#3169#2978
25K → 30K2639+254#2978#2724
30K → 20M11510+105#2724#2619
20M → 21M926+86#2619#2533
21M → 35K722+70#2533#2463
35K → 23M1224+118#2463#2345
23M → 24M984+94#2345#2251
24M → 40K794+75#2251#2176
40K → 25.2M332+31#2176#2145
25.2M → Finish528+44#2145#2101
TOTALS1937214+1723
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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