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BOSTON MARATHON 2025

Julie Santos

Bib: 20411•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 35%
Gender (Female)
#0 / 12228
Top 18%
Masters (Masters Women)
#0 / 6759
Top 7%
Division (F45-49)
#0 / 1813
Top 8%
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
7:41/mi
23:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:42/mi
47:48
↑ 79↓ 1380.4%
15K· 9.32 mi
7:30/mi
1:11:05
↑ 67↓ 78
20K· 12.43 mi
7:35/mi
1:34:39
↑ 106↓ 860.1%
Half· 13.11 mi
7:24/mi
1:39:42
↑ 19↓ 370.5%
25K· 15.53 mi
7:30/mi
1:57:53
↑ 66↓ 880.2%
30K· 18.64 mi
7:39/mi
2:21:38
↑ 181↓ 1480.2%
20M
7:36/mi
2:31:57
↑ 64↓ 500.2%
21M
7:58/mi
2:39:55
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:45:30
↑ 17↓ 861.7%
23M
7:42/mi
2:55:08
↑ 23↓ 630.6%
24M
7:27/mi
3:02:35
↓ 821.3%
40K· 24.85 mi
7:30/mi
3:09:00
↓ 200.3%
25.2M
8:13/mi
3:11:50
↑ 13↓ 160.2%
Finish· 26.22 mi
7:18/mi
3:19:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:39:42
Pace7:36 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:39:34
Pace7:36 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2823:537:4123:53
7:41
-
10K
6.21 mi11:41:2347:487:4223:55
7:42
+0:01
15K
9.32 mi12:04:401:11:057:3823:17
7:30
-0:12
20K
12.43 mi12:28:141:34:397:3723:34
7:35
+0:05
Half
13.11 mi12:33:171:39:427:365:03
7:24
-0:11
25K
15.53 mi12:51:281:57:537:3518:11
7:30
+0:06
30K
18.64 mi13:15:132:21:387:3623:45
7:39
+0:09
20M
20.00 mi13:25:322:31:577:3610:19
7:36
-0:03
21M
21.00 mi13:33:302:39:557:377:58
7:58
+0:22
35K
21.75 mi13:39:052:45:307:375:35
7:28
-0:30
23M
23.00 mi13:48:432:55:087:379:38
7:42
+0:14
24M
24.00 mi13:56:103:02:357:367:27
7:27
-0:15
40K
24.85 mi14:02:353:09:007:366:25
7:30
+0:03
25.2M
25.20 mi14:05:253:11:507:372:50
8:13
+0:43
Finish
26.22 mi14:12:513:19:167:367:26
7:18
-0:55

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

7:18 /mi

Average Pace

7:36 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:26

99% of race

Time at Steady Pace

2:50

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi11:17:2823:537:4123:53
7:41
#13862
10K
6.21 mi11:41:2347:487:4223:55
7:42
#13867
15K
9.32 mi12:04:401:11:057:3823:17
7:30
#13108
20K
12.43 mi12:28:141:34:397:3723:34
7:35
#12629
Half
13.11 mi12:33:171:39:427:365:03
7:24
#12540
25K
15.53 mi12:51:281:57:537:3518:11
7:30
#12074
30K
18.64 mi13:15:132:21:387:3623:45
7:39
#11412
20M
20.00 mi13:25:322:31:577:3610:19
7:36
#11064
21M
21.00 mi13:33:302:39:557:377:58
7:58
#10792
35K
21.75 mi13:39:052:45:307:375:35
7:28
#10687
23M
23.00 mi13:48:432:55:087:379:38
7:42
#10468
24M
24.00 mi13:56:103:02:357:367:27
7:27
#10291
40K
24.85 mi14:02:353:09:007:366:25
7:30
#10114
25.2M
25.20 mi14:05:253:11:507:372:50
8:13
#10050
Finish
26.22 mi14:12:513:19:167:367:26
7:18
#9919
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi138623808380811730(Top 41%)2751(Top 22%)2751(Top 152%)
10K6.21 mi3.10 mi13867-53860-523860-5213880(Top 49%)3881(Top 32%)3881(Top 214%)
15K9.32 mi3.11 mi13108+7593452+4083452+40811730(Top 41%)2751(Top 22%)2751(Top 152%)
20K12.43 mi3.11 mi12629+4793221+2313221+23111472(Top 40%)2721(Top 22%)2721(Top 150%)
Half13.11 mi0.68 mi12540+893170+513170+5110950(Top 39%)2392(Top 20%)2392(Top 132%)
25K15.53 mi2.42 mi12074+4662956+2142956+2149973(Top 35%)2097(Top 17%)2097(Top 116%)
30K18.64 mi3.11 mi11412+6622682+2742682+2748800(Top 31%)1747(Top 14%)1747(Top 96%)
20M20.00 mi1.36 mi11064+3482533+1492533+1497671(Top 27%)1417(Top 12%)1417(Top 78%)
21M21.00 mi1.00 mi10792+2722443+902443+907208(Top 25%)1397(Top 11%)1397(Top 77%)
35K21.75 mi0.75 mi10687+1052402+412402+418416(Top 30%)1857(Top 15%)1857(Top 102%)
23M23.00 mi1.25 mi10468+2192333+692333+697890(Top 28%)1778(Top 15%)1778(Top 98%)
24M24.00 mi1.00 mi10291+1772279+542279+547386(Top 26%)1616(Top 13%)1616(Top 89%)
40K24.85 mi0.85 mi10114+1772237+422237+426865(Top 24%)1505(Top 12%)1505(Top 83%)
25.2M25.20 mi0.35 mi10050+642219+182219+187251(Top 26%)1767(Top 14%)1767(Top 97%)
Finish26.22 mi1.02 mi9919+1312181+382181+387770(Top 27%)1968(Top 16%)1968(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11730

Females

2751

F45-49

2751

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13880

Females

3881

F45-49

3881

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11730

Females

2751

F45-49

2751

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11472

Females

2721

F45-49

2721

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10950

Females

2392

F45-49

2392

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9973

Females

2097

F45-49

2097

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8800

Females

1747

F45-49

1747

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7671

Females

1417

F45-49

1417

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

7208

Females

1397

F45-49

1397

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8416

Females

1857

F45-49

1857

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7890

Females

1778

F45-49

1778

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7386

Females

1616

F45-49

1616

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6865

Females

1505

F45-49

1505

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7251

Females

1767

F45-49

1767

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7770

Females

1968

F45-49

1968

Passing Analysis

Category:
Athletes Passed
4353*
Passed By
410
Net Change
+3943
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13862
5K → 10K274279-5#13862#13867
10K → 15K7689+759#13867#13108
15K → 20K50526+479#13108#12629
20K → Half934+89#12629#12540
Half → 25K4737+466#12540#12074
25K → 30K6664+662#12074#11412
30K → 20M3546+348#11412#11064
20M → 21M2786+272#11064#10792
21M → 35K11611+105#10792#10687
35K → 23M23112+219#10687#10468
23M → 24M19619+177#10468#10291
24M → 40K1869+177#10291#10114
40K → 25.2M706+64#10114#10050
25.2M → Finish143*12+131#10050#9919
TOTALS4353*410+3943

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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