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BOSTON MARATHON 2026

Cosmin Nazdravanu

Bib: 7648•M

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 25%
Gender (Male)
#0 / 16340
Top 38%
Masters (Masters Men)
#0 / 10617
Top 24%
Age Group (M40-44)
#0 / 2198
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
20:21
3.11 mi
Rank: #4612
Start → 5K
20:21 | 6:34/mi
10K
41:13
6.21 mi
Rank: #5270 (-658)
5K → 10K
20:52 | 6:43/mi
15K
1:02:14
9.32 mi
Rank: #5617 (-347)
10K → 15K
21:01 | 6:46/mi
20K
1:23:43
12.43 mi
Rank: #5967 (-350)
15K → 20K
21:29 | 6:55/mi
HALF
1:28:17
13.11 mi
Rank: #5980 (-13)
20K → HALF
4:34 | 6:42/mi
25K
1:45:42
15.53 mi
Rank: #6519 (-539)
HALF → 25K
17:25 | 7:11/mi
30K
2:08:12
18.64 mi
Rank: #6759 (-240)
25K → 30K
22:30 | 7:15/mi
20M
2:18:57
20.00 mi
Rank: #7125 (-366)
30K → 20M
10:45 | 7:55/mi
21M
2:27:02
21.00 mi
Rank: #7245 (-120)
20M → 21M
8:05 | 8:05/mi
35K
2:32:29
21.75 mi
Rank: #7284 (-39)
21M → 35K
5:27 | 7:18/mi
23M
2:41:55
23.00 mi
Rank: #7320 (-36)
35K → 23M
9:26 | 7:33/mi
24M
2:49:25
24.00 mi
Rank: #7367 (-47)
23M → 24M
7:30 | 7:30/mi
40K
2:55:33
24.85 mi
Rank: #7278 (+89)
24M → 40K
6:08 | 7:11/mi
25.2M
2:58:14
25.20 mi
Rank: #7244 (+34)
40K → 25.2M
2:41 | 7:47/mi
FINISH
3:05:27
26.22 mi
Rank: #7248 (-4)
25.2M → FINISH
7:13 | 7:05/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:28:17
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:37:10
Pace7:25 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0620:216:3420:21
6:34
-
10K
6.21 mi10:46:5841:136:3820:52
6:43
+0:09
15K
9.32 mi11:07:591:02:146:4121:01
6:46
+0:03
20K
12.43 mi11:29:281:23:436:4521:29
6:55
+0:09
HALF
13.11 mi11:34:021:28:176:454:34
6:42
-0:13
25K
15.53 mi11:51:271:45:426:4917:25
7:11
+0:29
30K
18.64 mi12:13:572:08:126:5322:30
7:15
+0:04
20M
20.00 mi12:24:422:18:576:5710:45
7:55
+0:40
21M
21.00 mi12:32:472:27:027:018:05
8:05
+0:10
35K
21.75 mi12:38:142:32:297:015:27
7:18
-0:47
23M
23.00 mi12:47:402:41:557:039:26
7:33
+0:15
24M
24.00 mi12:55:102:49:257:047:30
7:30
-0:03
40K
24.85 mi13:01:182:55:337:046:08
7:11
-0:19
25.2M
25.20 mi13:03:592:58:147:052:41
7:47
+0:36
FINISH
26.22 mi13:11:123:05:277:057:13
7:05
-0:42

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:34 /mi

Average Pace

7:05 /mi

Slowest Pace

8:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:28:17

48% of race

Time at Steady Pace

58:43

32% of race

Time at Slower Pace

38:27

21% of race

Average Pace: 7:04 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:26:0620:216:3420:21
6:34
#4612
10K
6.21 mi10:46:5841:136:3820:52
6:43
#5270
15K
9.32 mi11:07:591:02:146:4121:01
6:46
#5617
20K
12.43 mi11:29:281:23:436:4521:29
6:55
#5967
HALF
13.11 mi11:34:021:28:176:454:34
6:42
#5980
25K
15.53 mi11:51:271:45:426:4917:25
7:11
#6519
30K
18.64 mi12:13:572:08:126:5322:30
7:15
#6759
20M
20.00 mi12:24:422:18:576:5710:45
7:55
#7125
21M
21.00 mi12:32:472:27:027:018:05
8:05
#7245
35K
21.75 mi12:38:142:32:297:015:27
7:18
#7284
23M
23.00 mi12:47:402:41:557:039:26
7:33
#7320
24M
24.00 mi12:55:102:49:257:047:30
7:30
#7367
40K
24.85 mi13:01:182:55:337:046:08
7:11
#7278
25.2M
25.20 mi13:03:592:58:147:052:41
7:47
#7244
FINISH
26.22 mi13:11:123:05:277:057:13
7:05
#7248
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4612433343336482(Top 22%)5802(Top 36%)5802(Top 264%)
10K6.21 mi3.10 mi5270-6584903-5704903-5706133(Top 21%)5572(Top 34%)5572(Top 254%)
15K9.32 mi3.11 mi5617-3475173-2705173-2706482(Top 22%)5802(Top 36%)5802(Top 264%)
20K12.43 mi3.11 mi5967-3505434-2615434-2617209(Top 25%)6305(Top 39%)6305(Top 287%)
HALF13.11 mi0.68 mi5980-135445-115445-116185(Top 21%)5572(Top 34%)5572(Top 254%)
25K15.53 mi2.42 mi6519-5395833-3885833-3888694(Top 30%)7137(Top 44%)7137(Top 325%)
30K18.64 mi3.11 mi6759-2405990-1575990-1577671(Top 26%)6415(Top 39%)6415(Top 292%)
20M20.00 mi1.36 mi7125-3666240-2506240-25012156(Top 42%)8622(Top 53%)8622(Top 392%)
21M21.00 mi1.00 mi7245-1206303-636303-6310407(Top 36%)7673(Top 47%)7673(Top 349%)
35K21.75 mi0.75 mi7284-396314-116314-119132(Top 31%)7010(Top 43%)7010(Top 319%)
23M23.00 mi1.25 mi7320-366322-86322-89114(Top 31%)6925(Top 42%)6925(Top 315%)
24M24.00 mi1.00 mi7367-476329-76329-710025(Top 35%)7303(Top 45%)7303(Top 332%)
40K24.85 mi0.85 mi7278+896246+836246+836558(Top 23%)5346(Top 33%)5346(Top 243%)
25.2M25.20 mi0.35 mi7244+346208+386208+386903(Top 24%)5494(Top 34%)5494(Top 250%)
FINISH26.22 mi1.02 mi7248-46193+156193+158176(Top 28%)6137(Top 38%)6137(Top 279%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21
+97ft-345ft

Overall

6482

Males

5802

M40-44

5802

5K→10K

3.1 - 6.2 mi

Top 21%
×5
+79ft-138ft

Overall

6133

Males

5572

M40-44

5572

10K→15K

6.2 - 9.3 mi

Top 22%
×3
+67ft-78ft

Overall

6482

Males

5802

M40-44

5802

15K→20K

9.3 - 12.4 mi

Top 25%
×5
+106ft-86ft

Overall

7209

Males

6305

M40-44

6305

20K→HALF

12.4 - 13.1 mi

Top 21%
×2
+19ft-37ft

Overall

6185

Males

5572

M40-44

5572

HALF→25K

13.1 - 15.5 mi

Top 30%
×4
+66ft-88ft

Overall

8694

Males

7137

M40-44

7137

25K→30K

15.5 - 18.6 mi

Top 26%
×9
+181ft-148ft

Overall

7671

Males

6415

M40-44

6415

30K→20M

18.6 - 20.0 mi

Top 42%
×5
+64ft-50ft

Overall

12156

Males

8622

M40-44

8622

20M→21M

20.0 - 21.0 mi

Top 36%
×8
+106ft-24ft

Overall

10407

Males

7673

M40-44

7673

21M→35K

21.0 - 21.8 mi

Top 31%
×7
+17ft-86ft

Overall

9132

Males

7010

M40-44

7010

35K→23M

21.8 - 23.0 mi

Top 31%
×5
+23ft-63ft

Overall

9114

Males

6925

M40-44

6925

23M→24M

23.0 - 24.0 mi

Top 35%
×6
+12ft-82ft

Overall

10025

Males

7303

M40-44

7303

24M→40K

24.0 - 24.9 mi

Top 23%
×1
+6ft-20ft

Overall

6558

Males

5346

M40-44

5346

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1
+13ft-16ft

Overall

6903

Males

5494

M40-44

5494

25.2M→FINISH

25.2 - 26.2 mi

Top 28%
×2
+22ft-21ft

Overall

8176

Males

6137

M40-44

6137

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
656
Passed By
3292
Net Change
-2636
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4612
5K → 10K23681-658#4612#5270
10K → 15K40387-347#5270#5617
15K → 20K47397-350#5617#5967
20K → HALF1730-13#5967#5980
HALF → 25K28567-539#5980#6519
25K → 30K81321-240#6519#6759
30K → 20M17383-366#6759#7125
20M → 21M40160-120#7125#7245
21M → 35K3069-39#7245#7284
35K → 23M77113-36#7284#7320
23M → 24M4996-47#7320#7367
24M → 40K10718+89#7367#7278
40K → 25.2M4713+34#7278#7244
25.2M → FINISH5357-4#7244#7248
TOTALS6563292-2636
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing