Boston Marathon logo
BOSTON MARATHON 2025

Giuliana Wells

CA

Bib: 16858 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:08/mi
28:22
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:06/mi
56:39
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:06/mi
1:24:56
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:49/mi
1:55:25
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:16/mi
2:01:44
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:24/mi
2:29:22
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:52/mi
3:03:08
↑ 181↓ 1480.2%
138 ft elev
20M
12:10/mi
3:19:40
↑ 64↓ 500.2%
148 ft elev
21M
12:53/mi
3:32:33
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:32/mi
3:39:41
↑ 17↓ 861.7%
156 ft elev
23M
10:13/mi
3:52:28
↑ 23↓ 630.6%
116 ft elev
24M
10:07/mi
4:02:35
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:14/mi
4:11:20
↓ 200.3%
20 ft elev
25.2M
11:04/mi
4:15:09
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:26/mi
4:24:46
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:44
Pace9:17 /mi
2nd Half
Distance13.11 mi
Time2:23:02
Pace10:55 /mi
📊Positive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:03:0628:229:0828:22
9:08
-
10K
6.21 mi11:31:2356:399:0728:17
9:06
-0:02
15K
9.32 mi11:59:401:24:569:0728:17
9:06
0:00
20K
12.43 mi12:30:091:55:259:1730:29
9:49
+0:43
Half
13.11 mi12:36:282:01:449:176:19
9:16
-0:33
25K
15.53 mi13:04:062:29:229:3727:38
11:24
+2:08
30K
18.64 mi13:37:523:03:089:4933:46
10:52
-0:32
20M
20.00 mi13:54:243:19:409:5916:32
12:10
+1:18
21M
21.00 mi14:07:173:32:3310:0712:53
12:53
+0:43
35K
21.75 mi14:14:253:39:4110:067:08
9:32
-3:21
23M
23.00 mi14:27:123:52:2810:0612:47
10:13
+0:41
24M
24.00 mi14:37:194:02:3510:0610:07
10:07
-0:06
40K
24.85 mi14:46:044:11:2010:078:45
10:14
+0:07
25.2M
25.20 mi14:49:534:15:0910:083:49
11:04
+0:50
Finish
26.22 mi14:59:304:24:4610:069:37
9:26
-1:38

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

9:06 /mi

Average Pace

10:06 /mi

Slowest Pace

12:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:00

41% of race

Time at Steady Pace

1:02:08

23% of race

Time at Slower Pace

1:34:38

36% of race

Average Pace: 10:06 /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 mi11:03:0628:229:0828:22
9:08
#22970
10K
6.21 mi11:31:2356:399:0728:17
9:06
#22885
15K
9.32 mi11:59:401:24:569:0728:17
9:06
#22758
20K
12.43 mi12:30:091:55:259:1730:29
9:49
#23096
Half
13.11 mi12:36:282:01:449:176:19
9:16
#23086
25K
15.53 mi13:04:062:29:229:3727:38
11:24
#23732
30K
18.64 mi13:37:523:03:089:4933:46
10:52
#23742
20M
20.00 mi13:54:243:19:409:5916:32
12:10
#23971
21M
21.00 mi14:07:173:32:3310:0712:53
12:53
#24054
35K
21.75 mi14:14:253:39:4110:067:08
9:32
#23929
23M
23.00 mi14:27:123:52:2810:0612:47
10:13
#23767
24M
24.00 mi14:37:194:02:3510:0610:07
10:07
#23693
40K
24.85 mi14:46:044:11:2010:078:45
10:14
#23607
25.2M
25.20 mi14:49:534:15:0910:083:49
11:04
#23567
Finish
26.22 mi14:59:304:24:4610:069:37
9:26
#23468
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi22970915491542247688218821
10K6.21 mi3.10 mi22885+859091+639091+632285090489048
15K9.32 mi3.11 mi22758+1278990+1018990+1012247688218821
20K12.43 mi3.11 mi23096-3389179-1899179-1892380096049604
Half13.11 mi0.68 mi23086+109173+69173+62285790739073
25K15.53 mi2.42 mi23732-6469546-3739546-373257361071410714
30K18.64 mi3.11 mi23742-109596-509596-502374797269726
20M20.00 mi1.36 mi23971-2299733-1379733-137254961075010750
21M21.00 mi1.00 mi24054-839796-639796-63249141052310523
35K21.75 mi0.75 mi23929+1259744+529744+522048182438243
23M23.00 mi1.25 mi23767+1629675+699675+692117386478647
24M24.00 mi1.00 mi23693+749647+289647+282171989848984
40K24.85 mi0.85 mi23607+869620+279620+272120787778777
25.2M25.20 mi0.35 mi23567+409609+119609+112091286268626
Finish26.22 mi1.02 mi23468+999571+389571+382098486558655

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

22476

Females

8821

F50-54

8821

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22850

Females

9048

F50-54

9048

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

22476

Females

8821

F50-54

8821

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23800

Females

9604

F50-54

9604

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

22857

Females

9073

F50-54

9073

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25736

Females

10714

F50-54

10714

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23747

Females

9726

F50-54

9726

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

25496

Females

10750

F50-54

10750

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

24914

Females

10523

F50-54

10523

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

20481

Females

8243

F50-54

8243

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

21173

Females

8647

F50-54

8647

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

21719

Females

8984

F50-54

8984

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21207

Females

8777

F50-54

8777

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

20912

Females

8626

F50-54

8626

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

20984

Females

8655

F50-54

8655

Passing Analysis

Category:
Athletes Passed
1488
Passed By
1986
Net Change
-498
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22970
5K → 10K271186+85#22970#22885
10K → 15K240113+127#22885#22758
15K → 20K90428-338#22758#23096
20K → Half3626+10#23096#23086
Half → 25K20666-646#23086#23732
25K → 30K152162-10#23732#23742
30K → 20M26255-229#23742#23971
20M → 21M32115-83#23971#24054
21M → 35K1250+125#24054#23929
35K → 23M1686+162#23929#23767
23M → 24M8612+74#23767#23693
24M → 40K937+86#23693#23607
40K → 25.2M466+40#23607#23567
25.2M → Finish1034+99#23567#23468
TOTALS14881986-498

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing