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BOSTON MARATHON 2025

Cristina De Alba

Bib: 20561•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:02/mi
28:04
↑ 97↓ 3451.5%
10K· 6.21 mi
8:44/mi
55:12
↑ 79↓ 1380.4%
15K· 9.32 mi
8:39/mi
1:22:03
↑ 67↓ 78
20K· 12.43 mi
8:48/mi
1:49:24
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:55:19
↑ 19↓ 370.5%
25K· 15.53 mi
9:13/mi
2:17:40
↑ 66↓ 880.2%
30K· 18.64 mi
9:56/mi
2:48:32
↑ 181↓ 1480.2%
20M
9:48/mi
3:01:51
↑ 64↓ 500.2%
21M
9:28/mi
3:11:19
↑ 106↓ 241.6%
35K· 21.75 mi
8:28/mi
3:17:39
↑ 17↓ 861.7%
23M
9:05/mi
3:29:01
↑ 23↓ 630.6%
24M
8:55/mi
3:37:56
↓ 821.3%
40K· 24.85 mi
9:09/mi
3:45:45
↓ 200.3%
25.2M
10:06/mi
3:49:14
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
3:58:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:19
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:02:54
Pace9:23 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5628:049:0228:04
9:02
-
10K
6.21 mi11:48:0455:128:5327:08
8:44
-0:18
15K
9.32 mi12:14:551:22:038:4826:51
8:39
-0:05
20K
12.43 mi12:42:161:49:248:4827:21
8:48
+0:09
Half
13.11 mi12:48:111:55:198:485:55
8:40
-0:08
25K
15.53 mi13:10:322:17:408:5222:21
9:13
+0:33
30K
18.64 mi13:41:242:48:329:0230:52
9:56
+0:43
20M
20.00 mi13:54:433:01:519:0613:19
9:48
-0:08
21M
21.00 mi14:04:113:11:199:079:28
9:28
-0:20
35K
21.75 mi14:10:313:17:399:056:20
8:28
-1:00
23M
23.00 mi14:21:533:29:019:0511:22
9:05
+0:37
24M
24.00 mi14:30:483:37:569:058:55
8:55
-0:10
40K
24.85 mi14:38:373:45:459:057:49
9:09
+0:14
25.2M
25.20 mi14:42:063:49:149:063:29
10:06
+0:57
Finish
26.22 mi14:51:053:58:139:068:59
8:49
-1:17

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

8:28 /mi

Average Pace

9:06 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:05

76% of race

Time at Steady Pace

53:39

23% of race

Time at Slower Pace

3:29

1% of race

Average Pace: 9:05 /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 mi11:20:5628:049:0228:04
9:02
#22569
10K
6.21 mi11:48:0455:128:5327:08
8:44
#21889
15K
9.32 mi12:14:551:22:038:4826:51
8:39
#21284
20K
12.43 mi12:42:161:49:248:4827:21
8:48
#20951
Half
13.11 mi12:48:111:55:198:485:55
8:40
#20912
25K
15.53 mi13:10:322:17:408:5222:21
9:13
#20919
30K
18.64 mi13:41:242:48:329:0230:52
9:56
#21068
20M
20.00 mi13:54:433:01:519:0613:19
9:48
#20993
21M
21.00 mi14:04:113:11:199:079:28
9:28
#20681
35K
21.75 mi14:10:313:17:399:056:20
8:28
#20533
23M
23.00 mi14:21:533:29:019:0511:22
9:05
#20317
24M
24.00 mi14:30:483:37:569:058:55
8:55
#20197
40K
24.85 mi14:38:373:45:459:057:49
9:09
#20081
25.2M
25.20 mi14:42:063:49:149:063:29
10:06
#20051
Finish
26.22 mi14:51:053:58:139:068:59
8:49
#19985
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi225698944894420183(Top 71%)7537(Top 62%)7537(Top 416%)
10K6.21 mi3.10 mi21889+6808546+3988546+39821082(Top 74%)8065(Top 66%)8065(Top 445%)
15K9.32 mi3.11 mi21284+6058193+3538193+35320183(Top 71%)7537(Top 62%)7537(Top 416%)
20K12.43 mi3.11 mi20951+3338007+1868007+18619957(Top 70%)7458(Top 61%)7458(Top 411%)
Half13.11 mi0.68 mi20912+397984+237984+2320248(Top 71%)7621(Top 62%)7621(Top 420%)
25K15.53 mi2.42 mi20919-77998-147998-1420841(Top 73%)7998(Top 65%)7998(Top 441%)
30K18.64 mi3.11 mi21068-1498125-1278125-12721406(Top 75%)8458(Top 69%)8458(Top 467%)
20M20.00 mi1.36 mi20993+758095+308095+3020310(Top 72%)7968(Top 65%)7968(Top 439%)
21M21.00 mi1.00 mi20681+3127949+1467949+14615963(Top 56%)5696(Top 47%)5696(Top 314%)
35K21.75 mi0.75 mi20533+1487882+677882+6715329(Top 54%)5440(Top 44%)5440(Top 300%)
23M23.00 mi1.25 mi20317+2167796+867796+8616735(Top 59%)6302(Top 52%)6302(Top 348%)
24M24.00 mi1.00 mi20197+1207750+467750+4616966(Top 60%)6490(Top 53%)6490(Top 358%)
40K24.85 mi0.85 mi20081+1167704+467704+4617129(Top 60%)6660(Top 54%)6660(Top 367%)
25.2M25.20 mi0.35 mi20051+307700+47700+417548(Top 62%)6902(Top 56%)6902(Top 381%)
Finish26.22 mi1.02 mi19985+667671+297671+2918161(Top 64%)7170(Top 59%)7170(Top 395%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

20183

Females

7537

F45-49

7537

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

21082

Females

8065

F45-49

8065

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

20183

Females

7537

F45-49

7537

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

19957

Females

7458

F45-49

7458

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20248

Females

7621

F45-49

7621

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

20841

Females

7998

F45-49

7998

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

21406

Females

8458

F45-49

8458

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20310

Females

7968

F45-49

7968

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

15963

Females

5696

F45-49

5696

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15329

Females

5440

F45-49

5440

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16735

Females

6302

F45-49

6302

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

16966

Females

6490

F45-49

6490

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17129

Females

6660

F45-49

6660

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17548

Females

6902

F45-49

6902

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18161

Females

7170

F45-49

7170

Passing Analysis

Category:
Athletes Passed
3318
Passed By
734
Net Change
+2584
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22569
5K → 10K73151+680#22569#21889
10K → 15K64136+605#21889#21284
15K → 20K37542+333#21284#20951
20K → Half5516+39#20951#20912
Half → 25K144151-7#20912#20919
25K → 30K162311-149#20919#21068
30K → 20M12954+75#21068#20993
20M → 21M3142+312#20993#20681
21M → 35K1480+148#20681#20533
35K → 23M2204+216#20533#20317
23M → 24M1244+120#20317#20197
24M → 40K12610+116#20197#20081
40K → 25.2M4717+30#20081#20051
25.2M → Finish10236+66#20051#19985
TOTALS3318734+2584
📊

Passing Visuals

Category:
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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