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BOSTON MARATHON 2025

Daniela Simões

Bib: 17908•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 30%
Masters (Masters Women)
#0 / 6759
Top 15%
Division (F40-44)
#0 / 1718
Top 32%
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
7:38/mi
23:43
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
47:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:11:34
↑ 67↓ 78
20K· 12.43 mi
7:47/mi
1:35:44
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:41:02
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
2:00:00
↑ 66↓ 880.2%
30K· 18.64 mi
8:15/mi
2:25:37
↑ 181↓ 1480.2%
20M
8:15/mi
2:36:49
↑ 64↓ 500.2%
21M
8:58/mi
2:45:47
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
2:51:55
↑ 17↓ 861.7%
23M
8:14/mi
3:02:13
↑ 23↓ 630.6%
24M
8:06/mi
3:10:19
↓ 821.3%
40K· 24.85 mi
8:22/mi
3:17:28
↓ 200.3%
25.2M
8:59/mi
3:20:34
↑ 13↓ 160.2%
Finish· 26.22 mi
8:15/mi
3:28:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:02
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:47:56
Pace8:14 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0623:437:3823:43
7:38
-
10K
6.21 mi11:45:1547:527:4224:09
7:46
+0:08
15K
9.32 mi12:08:571:11:347:4123:42
7:38
-0:08
20K
12.43 mi12:33:071:35:447:4224:10
7:47
+0:09
Half
13.11 mi12:38:251:41:027:425:18
7:46
-0:01
25K
15.53 mi12:57:232:00:007:4318:58
7:49
+0:03
30K
18.64 mi13:23:002:25:377:4925:37
8:15
+0:26
20M
20.00 mi13:34:122:36:497:5011:12
8:15
0:00
21M
21.00 mi13:43:102:45:477:548:58
8:58
+0:43
35K
21.75 mi13:49:182:51:557:546:08
8:12
-0:46
23M
23.00 mi13:59:363:02:137:5510:18
8:14
+0:02
24M
24.00 mi14:07:423:10:197:568:06
8:06
-0:08
40K
24.85 mi14:14:513:17:287:577:09
8:22
+0:16
25.2M
25.20 mi14:17:573:20:347:583:06
8:59
+0:37
Finish
26.22 mi14:26:213:28:587:598:24
8:15
-0:44

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

7:38 /mi

Average Pace

7:59 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:54

94% of race

Time at Steady Pace

12:04

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi11:21:0623:437:3823:43
7:38
#13393
10K
6.21 mi11:45:1547:527:4224:09
7:46
#13935
15K
9.32 mi12:08:571:11:347:4123:42
7:38
#13567
20K
12.43 mi12:33:071:35:447:4224:10
7:47
#13402
Half
13.11 mi12:38:251:41:027:425:18
7:46
#13422
25K
15.53 mi12:57:232:00:007:4318:58
7:49
#13234
30K
18.64 mi13:23:002:25:377:4925:37
8:15
#13188
20M
20.00 mi13:34:122:36:497:5011:12
8:15
#13061
21M
21.00 mi13:43:102:45:477:548:58
8:58
#13045
35K
21.75 mi13:49:182:51:557:546:08
8:12
#13057
23M
23.00 mi13:59:363:02:137:5510:18
8:14
#12941
24M
24.00 mi14:07:423:10:197:568:06
8:06
#12873
40K
24.85 mi14:14:513:17:287:577:09
8:22
#12858
25.2M
25.20 mi14:17:573:20:347:583:06
8:59
#12831
Finish
26.22 mi14:26:213:28:587:598:24
8:15
#12895
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi133933543354312884(Top 45%)3381(Top 28%)3381(Top 197%)
10K6.21 mi3.10 mi13935-5423898-3553898-35514572(Top 51%)4296(Top 35%)4296(Top 250%)
15K9.32 mi3.11 mi13567+3683726+1723726+17212884(Top 45%)3381(Top 28%)3381(Top 197%)
20K12.43 mi3.11 mi13402+1653658+683658+6813098(Top 46%)3602(Top 29%)3602(Top 210%)
Half13.11 mi0.68 mi13422-203682-243682-2414032(Top 49%)4065(Top 33%)4065(Top 237%)
25K15.53 mi2.42 mi13234+1883618+643618+6412555(Top 44%)3431(Top 28%)3431(Top 200%)
30K18.64 mi3.11 mi13188+463661-433661-4313144(Top 46%)3913(Top 32%)3913(Top 228%)
20M20.00 mi1.36 mi13061+1273614+473614+4712098(Top 43%)3502(Top 29%)3502(Top 204%)
21M21.00 mi1.00 mi13045+163634-203634-2013320(Top 47%)4273(Top 35%)4273(Top 249%)
35K21.75 mi0.75 mi13057-123657-233657-2313637(Top 48%)4484(Top 37%)4484(Top 261%)
23M23.00 mi1.25 mi12941+1163631+263631+2611556(Top 41%)3511(Top 29%)3511(Top 204%)
24M24.00 mi1.00 mi12873+683631363111926(Top 42%)3765(Top 31%)3765(Top 219%)
40K24.85 mi0.85 mi12858+153652-213652-2112568(Top 44%)4221(Top 35%)4221(Top 246%)
25.2M25.20 mi0.35 mi12831+273651+13651+111801(Top 42%)3877(Top 32%)3877(Top 226%)
Finish26.22 mi1.02 mi12895-643706-553706-5514565(Top 51%)5233(Top 43%)5233(Top 305%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12884

Females

3381

F40-44

3381

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14572

Females

4296

F40-44

4296

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12884

Females

3381

F40-44

3381

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

13098

Females

3602

F40-44

3602

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

14032

Females

4065

F40-44

4065

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12555

Females

3431

F40-44

3431

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

13144

Females

3913

F40-44

3913

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12098

Females

3502

F40-44

3502

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

13320

Females

4273

F40-44

4273

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13637

Females

4484

F40-44

4484

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

11556

Females

3511

F40-44

3511

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11926

Females

3765

F40-44

3765

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12568

Females

4221

F40-44

4221

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11801

Females

3877

F40-44

3877

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

14565

Females

5233

F40-44

5233

Passing Analysis

Category:
Athletes Passed
2137
Passed By
1639
Net Change
+498
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13393
5K → 10K116658-542#13393#13935
10K → 15K41850+368#13935#13567
15K → 20K26095+165#13567#13402
20K → Half2949-20#13402#13422
Half → 25K25668+188#13422#13234
25K → 30K267221+46#13234#13188
30K → 20M17144+127#13188#13061
20M → 21M11397+16#13061#13045
21M → 35K4860-12#13045#13057
35K → 23M16650+116#13057#12941
23M → 24M11244+68#12941#12873
24M → 40K8065+15#12873#12858
40K → 25.2M4922+27#12858#12831
25.2M → Finish52116-64#12831#12895
TOTALS21371639+498
📊

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