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BOSTON MARATHON 2025

Gia Didonato-Sroczenski

Bib: 16865•F

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
24:37
Rank: #15969
Start → 5K
24:37 | 7:55/mi
10K· 6.21 mi
49:32
Rank: #16286 (-317)
5K → 10K
24:55 | 8:01/mi
15K· 9.32 mi
1:15:03
Rank: #16725 (-439)
10K → 15K
25:31 | 8:13/mi
20K· 12.43 mi
1:41:22
Rank: #17085 (-360)
15K → 20K
26:19 | 8:28/mi
Half· 13.11 mi
1:47:02
Rank: #17098 (-13)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:08:11
Rank: #17288 (-190)
Half → 25K
21:09 | 8:43/mi
30K· 18.64 mi
2:37:33
Rank: #17798 (-510)
25K → 30K
29:22 | 9:27/mi
20M
2:50:56
Rank: #18073 (-275)
30K → 20M
13:23 | 9:51/mi
21M
3:02:46
Rank: #18635 (-562)
20M → 21M
11:50 | 11:50/mi
35K· 21.75 mi
3:10:17
Rank: #18831 (-196)
21M → 35K
7:31 | 10:03/mi
23M
3:24:02
Rank: #19270 (-439)
35K → 23M
13:45 | 10:59/mi
24M
3:34:26
Rank: #19482 (-212)
23M → 24M
10:24 | 10:24/mi
40K· 24.85 mi
3:43:30
Rank: #19645 (-163)
24M → 40K
9:04 | 10:36/mi
25.2M
3:47:22
Rank: #19687 (-42)
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
3:57:21
Rank: #19809 (-122)
25.2M → Finish
9:59 | 9:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:02
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time2:10:19
Pace9:56 /mi
📊Positive Split: 21.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:59:4224:377:5524:37
7:55
-
10K
6.21 mi11:24:3749:327:5824:55
8:01
+0:06
15K
9.32 mi11:50:081:15:038:0325:31
8:13
+0:12
20K
12.43 mi12:16:271:41:228:0926:19
8:28
+0:15
Half
13.11 mi12:22:071:47:028:105:40
8:18
-0:10
25K
15.53 mi12:43:162:08:118:1521:09
8:43
+0:25
30K
18.64 mi13:12:382:37:338:2729:22
9:27
+0:44
20M
20.00 mi13:26:012:50:568:3313:23
9:51
+0:24
21M
21.00 mi13:37:513:02:468:4211:50
11:50
+1:59
35K
21.75 mi13:45:223:10:178:457:31
10:03
-1:47
23M
23.00 mi13:59:073:24:028:5213:45
10:59
+0:56
24M
24.00 mi14:09:313:34:268:5610:24
10:24
-0:35
40K
24.85 mi14:18:353:43:309:009:04
10:36
+0:12
25.2M
25.20 mi14:22:273:47:229:013:52
11:13
+0:37
Finish
26.22 mi14:32:263:57:219:049:59
9:48
-1:25

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

7:55 /mi

Average Pace

9:04 /mi

Slowest Pace

11:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:11

54% of race

Time at Steady Pace

1:10:39

30% of race

Time at Slower Pace

38:31

16% of race

Average Pace: 9:03 /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 mi10:59:4224:377:5524:37
7:55
#15969
10K
6.21 mi11:24:3749:327:5824:55
8:01
#16286
15K
9.32 mi11:50:081:15:038:0325:31
8:13
#16725
20K
12.43 mi12:16:271:41:228:0926:19
8:28
#17085
Half
13.11 mi12:22:071:47:028:105:40
8:18
#17098
25K
15.53 mi12:43:162:08:118:1521:09
8:43
#17288
30K
18.64 mi13:12:382:37:338:2729:22
9:27
#17798
20M
20.00 mi13:26:012:50:568:3313:23
9:51
#18073
21M
21.00 mi13:37:513:02:468:4211:50
11:50
#18635
35K
21.75 mi13:45:223:10:178:457:31
10:03
#18831
23M
23.00 mi13:59:073:24:028:5213:45
10:59
#19270
24M
24.00 mi14:09:313:34:268:5610:24
10:24
#19482
40K
24.85 mi14:18:353:43:309:009:04
10:36
#19645
25.2M
25.20 mi14:22:273:47:229:013:52
11:13
#19687
Finish
26.22 mi14:32:263:57:219:049:59
9:48
#19809
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi159695135513517480(Top 62%)6004(Top 49%)6004(Top 331%)
10K6.21 mi3.10 mi16286-3175320-1855320-18516656(Top 59%)5519(Top 45%)5519(Top 304%)
15K9.32 mi3.11 mi16725-4395564-2445564-24417480(Top 62%)6004(Top 49%)6004(Top 331%)
20K12.43 mi3.11 mi17085-3605796-2325796-23218044(Top 64%)6372(Top 52%)6372(Top 351%)
Half13.11 mi0.68 mi17098-135810-145810-1418033(Top 63%)6350(Top 52%)6350(Top 350%)
25K15.53 mi2.42 mi17288-1905936-1265936-12618553(Top 65%)6737(Top 55%)6737(Top 372%)
30K18.64 mi3.11 mi17798-5106287-3516287-35119759(Top 70%)7529(Top 62%)7529(Top 415%)
20M20.00 mi1.36 mi18073-2756466-1796466-17920452(Top 72%)8048(Top 66%)8048(Top 444%)
21M21.00 mi1.00 mi18635-5626795-3296795-32923281(Top 82%)9643(Top 79%)9643(Top 532%)
35K21.75 mi0.75 mi18831-1966925-1306925-13022039(Top 78%)9047(Top 74%)9047(Top 499%)
23M23.00 mi1.25 mi19270-4397200-2757200-27523185(Top 82%)9703(Top 79%)9703(Top 535%)
24M24.00 mi1.00 mi19482-2127351-1517351-15122537(Top 79%)9404(Top 77%)9404(Top 519%)
40K24.85 mi0.85 mi19645-1637465-1147465-11422204(Top 78%)9305(Top 76%)9305(Top 513%)
25.2M25.20 mi0.35 mi19687-427498-337498-3321291(Top 75%)8801(Top 72%)8801(Top 485%)
Finish26.22 mi1.02 mi19809-1227574-767574-7622274(Top 78%)9307(Top 76%)9307(Top 513%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

17480

Females

6004

F45-49

6004

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16656

Females

5519

F45-49

5519

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

17480

Females

6004

F45-49

6004

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

18044

Females

6372

F45-49

6372

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

18033

Females

6350

F45-49

6350

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

18553

Females

6737

F45-49

6737

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19759

Females

7529

F45-49

7529

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

20452

Females

8048

F45-49

8048

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23281

Females

9643

F45-49

9643

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

22039

Females

9047

F45-49

9047

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

23185

Females

9703

F45-49

9703

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

22537

Females

9404

F45-49

9404

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22204

Females

9305

F45-49

9305

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21291

Females

8801

F45-49

8801

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

22274

Females

9307

F45-49

9307

Passing Analysis

Category:
Athletes Passed
833
Passed By
4673
Net Change
-3840
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15969
5K → 10K198515-317#15969#16286
10K → 15K99538-439#16286#16725
15K → 20K99459-360#16725#17085
20K → Half2336-13#17085#17098
Half → 25K116306-190#17098#17288
25K → 30K96606-510#17288#17798
30K → 20M57332-275#17798#18073
20M → 21M15577-562#18073#18635
21M → 35K22218-196#18635#18831
35K → 23M20459-439#18831#19270
23M → 24M25237-212#19270#19482
24M → 40K26189-163#19482#19645
40K → 25.2M1355-42#19645#19687
25.2M → Finish24146-122#19687#19809
TOTALS8334673-3840
📊

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