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BOSTON MARATHON 2025

Marcela Cesar

Bib: 18142•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
Masters (Masters Women)
#0 / 6759
Top 20%
Division (F40-44)
#0 / 1718
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:57
Rank: #16834
Start → 5K
24:57 | 8:02/mi
10K· 6.21 mi
49:45
Rank: #16576 (+258)
5K → 10K
24:48 | 7:59/mi
15K· 9.32 mi
1:14:42
Rank: #16443 (+133)
10K → 15K
24:57 | 8:02/mi
20K· 12.43 mi
1:39:23
Rank: #15903 (+540)
15K → 20K
24:41 | 7:57/mi
Half· 13.11 mi
1:44:47
Rank: #15869 (+34)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:04:18
Rank: #15554 (+315)
Half → 25K
19:31 | 8:03/mi
30K· 18.64 mi
2:29:56
Rank: #15088 (+466)
25K → 30K
25:38 | 8:15/mi
20M
2:41:09
Rank: #14806 (+282)
30K → 20M
11:13 | 8:15/mi
21M
2:49:57
Rank: #14628 (+178)
20M → 21M
8:48 | 8:48/mi
35K· 21.75 mi
2:56:01
Rank: #14527 (+101)
21M → 35K
6:04 | 8:07/mi
23M
3:06:26
Rank: #14375 (+152)
35K → 23M
10:25 | 8:19/mi
24M
3:14:24
Rank: #14206 (+169)
23M → 24M
7:58 | 7:58/mi
40K· 24.85 mi
3:21:16
Rank: #14027 (+179)
24M → 40K
6:52 | 8:02/mi
25.2M
3:24:20
Rank: #13954 (+73)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:32:15
Rank: #13822 (+132)
25.2M → Finish
7:55 | 7:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:47
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:47:28
Pace8:12 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0424:578:0224:57
8:02
-
10K
6.21 mi11:40:5249:458:0024:48
7:59
-0:03
15K
9.32 mi12:05:491:14:428:0124:57
8:02
+0:03
20K
12.43 mi12:30:301:39:238:0024:41
7:57
-0:05
Half
13.11 mi12:35:541:44:478:005:24
7:55
-0:02
25K
15.53 mi12:55:252:04:188:0019:31
8:03
+0:08
30K
18.64 mi13:21:032:29:568:0325:38
8:15
+0:12
20M
20.00 mi13:32:162:41:098:0311:13
8:15
0:00
21M
21.00 mi13:41:042:49:578:068:48
8:48
+0:33
35K
21.75 mi13:47:082:56:018:066:04
8:07
-0:41
23M
23.00 mi13:57:333:06:268:0610:25
8:19
+0:12
24M
24.00 mi14:05:313:14:248:067:58
7:58
-0:21
40K
24.85 mi14:12:233:21:168:066:52
8:02
+0:04
25.2M
25.20 mi14:15:273:24:208:073:04
8:54
+0:52
Finish
26.22 mi14:23:223:32:158:067:55
7:46
-1:08

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

7:46 /mi

Average Pace

8:06 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:23

94% of race

Time at Steady Pace

11:52

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:06 /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 mi11:16:0424:578:0224:57
8:02
#16834
10K
6.21 mi11:40:5249:458:0024:48
7:59
#16576
15K
9.32 mi12:05:491:14:428:0124:57
8:02
#16443
20K
12.43 mi12:30:301:39:238:0024:41
7:57
#15903
Half
13.11 mi12:35:541:44:478:005:24
7:55
#15869
25K
15.53 mi12:55:252:04:188:0019:31
8:03
#15554
30K
18.64 mi13:21:032:29:568:0325:38
8:15
#15088
20M
20.00 mi13:32:162:41:098:0311:13
8:15
#14806
21M
21.00 mi13:41:042:49:578:068:48
8:48
#14628
35K
21.75 mi13:47:082:56:018:066:04
8:07
#14527
23M
23.00 mi13:57:333:06:268:0610:25
8:19
#14375
24M
24.00 mi14:05:313:14:248:067:58
7:58
#14206
40K
24.85 mi14:12:233:21:168:066:52
8:02
#14027
25.2M
25.20 mi14:15:273:24:208:073:04
8:54
#13954
Finish
26.22 mi14:23:223:32:158:067:55
7:46
#13822
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi168345643564316277(Top 57%)5297(Top 43%)5297(Top 308%)
10K6.21 mi3.10 mi16576+2585481+1625481+16216345(Top 58%)5330(Top 44%)5330(Top 310%)
15K9.32 mi3.11 mi16443+1335402+795402+7916277(Top 57%)5297(Top 43%)5297(Top 308%)
20K12.43 mi3.11 mi15903+5405094+3085094+30814504(Top 51%)4366(Top 36%)4366(Top 254%)
Half13.11 mi0.68 mi15869+345075+195075+1915247(Top 54%)4744(Top 39%)4744(Top 276%)
25K15.53 mi2.42 mi15554+3154917+1584917+15814277(Top 50%)4353(Top 36%)4353(Top 253%)
30K18.64 mi3.11 mi15088+4664715+2024715+20213177(Top 46%)3934(Top 32%)3934(Top 229%)
20M20.00 mi1.36 mi14806+2824585+1304585+13012210(Top 43%)3560(Top 29%)3560(Top 207%)
21M21.00 mi1.00 mi14628+1784513+724513+7212327(Top 43%)3778(Top 31%)3778(Top 220%)
35K21.75 mi0.75 mi14527+1014470+434470+4313028(Top 46%)4176(Top 34%)4176(Top 243%)
23M23.00 mi1.25 mi14375+1524423+474423+4712184(Top 43%)3841(Top 31%)3841(Top 224%)
24M24.00 mi1.00 mi14206+1694365+584365+5811045(Top 39%)3335(Top 27%)3335(Top 194%)
40K24.85 mi0.85 mi14027+1794293+724293+7210476(Top 37%)3176(Top 26%)3176(Top 185%)
25.2M25.20 mi0.35 mi13954+734263+304263+3011280(Top 40%)3654(Top 30%)3654(Top 213%)
Finish26.22 mi1.02 mi13822+1324222+414222+4111251(Top 40%)3587(Top 29%)3587(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

16277

Females

5297

F40-44

5297

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

16345

Females

5330

F40-44

5330

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

16277

Females

5297

F40-44

5297

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

14504

Females

4366

F40-44

4366

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

15247

Females

4744

F40-44

4744

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14277

Females

4353

F40-44

4353

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

13177

Females

3934

F40-44

3934

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

12210

Females

3560

F40-44

3560

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

12327

Females

3778

F40-44

3778

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13028

Females

4176

F40-44

4176

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12184

Females

3841

F40-44

3841

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

11045

Females

3335

F40-44

3335

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10476

Females

3176

F40-44

3176

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11280

Females

3654

F40-44

3654

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

11251

Females

3587

F40-44

3587

Passing Analysis

Category:
Athletes Passed
3584
Passed By
572
Net Change
+3012
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16834
5K → 10K450192+258#16834#16576
10K → 15K268135+133#16576#16443
15K → 20K56323+540#16443#15903
20K → Half5521+34#15903#15869
Half → 25K34530+315#15869#15554
25K → 30K50640+466#15554#15088
30K → 20M29715+282#15088#14806
20M → 21M20527+178#14806#14628
21M → 35K12423+101#14628#14527
35K → 23M18129+152#14527#14375
23M → 24M1756+169#14375#14206
24M → 40K1812+179#14206#14027
40K → 25.2M8411+73#14027#13954
25.2M → Finish15018+132#13954#13822
TOTALS3584572+3012
📊

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